Notice: The features on this page are not yet fully developed but it has been deployed in its infant form to further aid with DNS/DNSSEC troubleshooting. This page will be updated in due time to make it more useful for troubleshooting.
| Name | TTL | Type | Data | Status | Returned by | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| a.edu-servers.net. (192.5.6.30) | c.edu-servers.net. (192.26.92.30) | d.edu-servers.net. (192.31.80.30) | f.edu-servers.net. (192.35.51.30) | g.edu-servers.net. (192.42.93.30) | g.edu-servers.net. (2001:503:cc2c::2:36) | l.edu-servers.net. (192.41.162.30) | |||||
| columbia.edu | DS | Empty Answer | Y | Y | Y | Y | Y | Y | Y | ||
| 80ns9n7q49earu0prat0i1bka19g7e9o.edu | 86400 | NSEC3 | 1 1 0 - 82sp9tf018mi1eq9p917f56tp5tvh7kq NS DS RRSIG | OK | Y | Y | Y | Y | Y | Y | Y |
| 86400 | RRSIG | NSEC3 8 2 86400 20120608165415 20120601154415 25775 edu. ht0trXDZ0gdDFF0bz6A2f/cRFyLLrmOR DpMX50kjjMTctg38nvHh6RKqub07LSHV QGFC2O6ipziM30Kcr+81G8Dc3M/I9F2u yY/Ff1zHFhICCkP/lgxCBKjMP6UR65gf o8/+FbjtWH+e5URplPSnQVm5QWJbQtcm 5Q73JZhXSow= | OK | Y | Y | Y | Y | Y | Y | Y | |
| 9dhs4ep5g85pf9nufk06hek0o48qgk77.edu | 86400 | NSEC3 | 1 1 0 - 9dt1c1v545dg31sob7kqq8rlf6970a2o NS SOA RRSIG DNSKEY NSEC3PARAM | OK | Y | Y | Y | Y | Y | Y | Y |
| 86400 | RRSIG | NSEC3 8 2 86400 20120608160212 20120601145212 25775 edu. lhuNUw0hsyGPbux/HiWEGRUXgsQSVqDL Z553SHwdEHdMoryXLZNmqifEOOYRSz70 QS9uwT4Cq+hYMyJchRP7Pkv5wubMNQs0 W+GA0wcpNqWdECYqBnvWxI5gkg4Nmfq0 l5lgWWxm9h9LKVWAnYejiYHvd+5kVE10 KD2+0Pa3euo= | OK | Y | Y | Y | Y | Y | Y | Y | |
| RR count (Answer/Authority/Additional) | OK | 0/6/1 | 0/6/1 | 0/6/1 | 0/6/1 | 0/6/1 | 0/6/1 | 0/6/1 | |||
| Response size (bytes) | OK | 764 | 764 | 764 | 764 | 764 | 764 | 764 | |||
| Name | TTL | Type | Data | Status | Returned by | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| adns1.berkeley.edu. (128.32.136.3) | adns1.berkeley.edu. (2607:f140:ffff:fffe::3) | adns2.berkeley.edu. (128.32.136.14) | adns2.berkeley.edu. (2607:f140:ffff:fffe::e) | ext-ns1.columbia.edu. (128.59.59.165) | dns2.itd.umich.edu. (141.211.125.15) | ns1.lse.ac.uk. (158.143.96.8) | |||||
| columbia.edu | DNSKEY | Empty Answer | Y | Y | Y | Y | Y | Y | Y | ||
| RR count (Answer/Authority/Additional) | OK | 0/1/1 | 0/1/1 | 0/1/1 | 0/1/1 | 0/1/1 | 0/1/1 | 0/1/1 | |||
| Response size (bytes) | OK | 98 | 98 | 98 | 98 | 98 | 98 | 98 | |||
| Name | TTL | Type | Data | Status | Returned by | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| adns1.berkeley.edu. (128.32.136.3) | adns1.berkeley.edu. (2607:f140:ffff:fffe::3) | adns2.berkeley.edu. (128.32.136.14) | adns2.berkeley.edu. (2607:f140:ffff:fffe::e) | ext-ns1.columbia.edu. (128.59.59.165) | dns2.itd.umich.edu. (141.211.125.15) | ns1.lse.ac.uk. (158.143.96.8) | |||||
| columbia.edu | 3600 | NS |
ns1.lse.ac.uk.
dns2.itd.umich.edu.
adns1.berkeley.edu.
adns2.berkeley.edu.
ext-ns1.columbia.edu. | OK | Y | Y | Y | Y | Y | Y | Y |
| RR count (Answer/Authority/Additional) | OK | 5/0/10 | 5/0/10 | 5/0/10 | 5/0/10 | 5/0/3 | 5/0/7 | 5/0/3 | |||
| Response size (bytes) | OK | 960 | 960 | 960 | 960 | 200 | 576 | 200 | |||
| Name | TTL | Type | Data | Status | Returned by | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| adns1.berkeley.edu. (128.32.136.3) | adns1.berkeley.edu. (2607:f140:ffff:fffe::3) | adns2.berkeley.edu. (128.32.136.14) | adns2.berkeley.edu. (2607:f140:ffff:fffe::e) | ext-ns1.columbia.edu. (128.59.59.165) | dns2.itd.umich.edu. (141.211.125.15) | ns1.lse.ac.uk. (158.143.96.8) | |||||
| columbia.edu | 60 | A |
128.59.48.24 | OK | Y | Y | Y | Y | Y | Y | Y |
| RR count (Answer/Authority/Additional) | OK | 1/5/10 | 1/5/10 | 1/5/10 | 1/5/10 | 1/5/2 | 1/5/7 | 1/0/1 | |||
| Response size (bytes) | OK | 976 | 976 | 976 | 976 | 200 | 592 | 57 | |||
| Name | TTL | Type | Data | Status | Returned by | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| adns1.berkeley.edu. (128.32.136.3) | adns1.berkeley.edu. (2607:f140:ffff:fffe::3) | adns2.berkeley.edu. (128.32.136.14) | adns2.berkeley.edu. (2607:f140:ffff:fffe::e) | ext-ns1.columbia.edu. (128.59.59.165) | dns2.itd.umich.edu. (141.211.125.15) | ns1.lse.ac.uk. (158.143.96.8) | |||||
| columbia.edu | AAAA | Empty Answer | Y | Y | Y | Y | Y | Y | Y | ||
| RR count (Answer/Authority/Additional) | OK | 0/1/1 | 0/1/1 | 0/1/1 | 0/1/1 | 0/1/1 | 0/1/1 | 0/1/1 | |||
| Response size (bytes) | OK | 98 | 98 | 98 | 98 | 98 | 98 | 98 | |||
| Name | TTL | Type | Data | Status | Returned by | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| adns1.berkeley.edu. (128.32.136.3) | adns1.berkeley.edu. (2607:f140:ffff:fffe::3) | adns2.berkeley.edu. (128.32.136.14) | adns2.berkeley.edu. (2607:f140:ffff:fffe::e) | ext-ns1.columbia.edu. (128.59.59.165) | dns2.itd.umich.edu. (141.211.125.15) | ns1.lse.ac.uk. (158.143.96.8) | |||||
| columbia.edu | 3600 | TXT |
"ras gatekeeper.cc.columbia.edu"
"v=spf1 ip4:128.59.28.0/24 ip4:128.59.29.0/24 ip4:128.59.59.0/24 ip4:128.59.62.0/24 ip4:128.59.28.160/27 ip4:128.59.29.0/28 ip4:128.59.31.0/24 ip4:128.59.39.0/24 ~all" | OK | Y | Y | Y | Y | Y | Y | Y |
| RR count (Answer/Authority/Additional) | OK | 2/5/10 | 2/5/10 | 2/5/10 | 2/5/10 | 2/5/2 | 2/5/11 | 2/0/1 | |||
| Response size (bytes) | OK | 1181 | 1181 | 1181 | 1181 | 405 | 1197 | 262 | |||
| Name | TTL | Type | Data | Status | Returned by | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| adns1.berkeley.edu. (128.32.136.3) | adns1.berkeley.edu. (2607:f140:ffff:fffe::3) | adns2.berkeley.edu. (128.32.136.14) | adns2.berkeley.edu. (2607:f140:ffff:fffe::e) | ext-ns1.columbia.edu. (128.59.59.165) | dns2.itd.umich.edu. (141.211.125.15) | ns1.lse.ac.uk. (158.143.96.8) | |||||
| columbia.edu | 3600 | MX |
10 external-smtp-multi-vif.cc.columbia.edu. | OK | Y | Y | Y | Y | Y | Y | Y |
| RR count (Answer/Authority/Additional) | OK | 1/5/11 | 1/5/11 | 1/5/11 | 1/5/11 | 1/5/3 | 1/5/8 | 1/0/2 | |||
| Response size (bytes) | OK | 1019 | 1019 | 1019 | 1019 | 243 | 635 | 100 | |||
| Name | TTL | Type | Data | Status | Returned by | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| adns1.berkeley.edu. (128.32.136.3) | adns1.berkeley.edu. (2607:f140:ffff:fffe::3) | adns2.berkeley.edu. (128.32.136.14) | adns2.berkeley.edu. (2607:f140:ffff:fffe::e) | ext-ns1.columbia.edu. (128.59.59.165) | dns2.itd.umich.edu. (141.211.125.15) | ns1.lse.ac.uk. (158.143.96.8) | |||||
| columbia.edu | 3600 | SOA |
master-ns.columbia.edu. hostmaster.columbia.edu. 6602 3600 1800 2419200 3600 | OK | Y | Y | Y | Y | Y | Y | Y |
| RR count (Answer/Authority/Additional) | OK | 1/5/10 | 1/5/10 | 1/5/10 | 1/5/10 | 1/5/2 | 1/5/7 | 1/0/2 | |||
| Response size (bytes) | OK | 1017 | 1017 | 1017 | 1017 | 241 | 633 | 114 | |||
| Name | TTL | Type | Data | Status | Returned by | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| adns1.berkeley.edu. (128.32.136.3) | adns1.berkeley.edu. (2607:f140:ffff:fffe::3) | adns2.berkeley.edu. (128.32.136.14) | adns2.berkeley.edu. (2607:f140:ffff:fffe::e) | ext-ns1.columbia.edu. (128.59.59.165) | dns2.itd.umich.edu. (141.211.125.15) | ns1.lse.ac.uk. (158.143.96.8) | |||||
| 5rq7l932vn.columbia.edu | A | NXDOMAIN | Y | Y | Y | Y | Y | Y | Y | ||
| RR count (Answer/Authority/Additional) | OK | 0/1/1 | 0/1/1 | 0/1/1 | 0/1/1 | 0/1/1 | 0/1/1 | 0/1/1 | |||
| Response size (bytes) | OK | 109 | 109 | 109 | 109 | 109 | 109 | 109 | |||
| Name | TTL | Type | Data | Status | Returned by | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| adns1.berkeley.edu. (128.32.136.3) | adns1.berkeley.edu. (2607:f140:ffff:fffe::3) | adns2.berkeley.edu. (128.32.136.14) | adns2.berkeley.edu. (2607:f140:ffff:fffe::e) | ext-ns1.columbia.edu. (128.59.59.165) | dns2.itd.umich.edu. (141.211.125.15) | ns1.lse.ac.uk. (158.143.96.8) | |||||
| columbia.edu | CNAME | Empty Answer | Y | Y | Y | Y | Y | Y | Y | ||
| RR count (Answer/Authority/Additional) | OK | 0/1/1 | 0/1/1 | 0/1/1 | 0/1/1 | 0/1/1 | 0/1/1 | 0/1/1 | |||
| Response size (bytes) | OK | 98 | 98 | 98 | 98 | 98 | 98 | 98 | |||
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