fastmail.com | DNSViz

fastmail.com

Updated: 2025-09-23 19:07:09 UTC (83 days ago) Update now

DNS Server Responses

Responses for fastmail.com/DS

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	a.gtld-servers.net. (192.5.6.30)	a.gtld-servers.net. (2001:503:a83e::2:30)	b.gtld-servers.net. (192.33.14.30)	b.gtld-servers.net. (2001:503:231d::2:30)	c.gtld-servers.net. (192.26.92.30)	c.gtld-servers.net. (2001:503:83eb::30)	d.gtld-servers.net. (192.31.80.30)	d.gtld-servers.net. (2001:500:856e::30)	e.gtld-servers.net. (192.12.94.30)	e.gtld-servers.net. (2001:502:1ca1::30)	f.gtld-servers.net. (192.35.51.30)	f.gtld-servers.net. (2001:503:d414::30)	g.gtld-servers.net. (192.42.93.30)	g.gtld-servers.net. (2001:503:eea3::30)	h.gtld-servers.net. (192.54.112.30)	h.gtld-servers.net. (2001:502:8cc::30)	i.gtld-servers.net. (192.43.172.30)	i.gtld-servers.net. (2001:503:39c1::30)	j.gtld-servers.net. (192.48.79.30)	j.gtld-servers.net. (2001:502:7094::30)	k.gtld-servers.net. (192.52.178.30)	k.gtld-servers.net. (2001:503:d2d::30)	l.gtld-servers.net. (192.41.162.30)	l.gtld-servers.net. (2001:500:d937::30)	m.gtld-servers.net. (192.55.83.30)	m.gtld-servers.net. (2001:501:b1f9::30)
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	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	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	583	583	585	585	583	583	583	583	583	583	583	583	583	583	583	583	583	583	583	583	583	583	583	583	583	583
Response time (ms)				OK	55	55	6	9	55	37	56	34	52	55	27	52	55	54	36	34	55	55	6	7	7	7	7	4	7	7

Responses for fastmail.com/DNSKEY

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	fmns1.messagingengine.com. (162.159.24.253)	fmns2.messagingengine.com. (162.159.25.114)
RR count (Answer/Authority/Additional)				OK	0/1/1	0/1/1
Response size (bytes)				OK	121	120
Response time (ms)				OK	33	34

Responses for fastmail.com/NS

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	fmns1.messagingengine.com. (162.159.24.253)	fmns2.messagingengine.com. (162.159.25.114)
fastmail.com	3600	NS	fmns1.messagingengine.com. fmns2.messagingengine.com.	OK	Y	Y
RR count (Answer/Authority/Additional)				OK	2/0/1	2/0/1
Response size (bytes)				OK	107	107
Response time (ms)				OK	16	75

Responses for fastmail.com/NSEC3PARAM

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	fmns1.messagingengine.com. (162.159.24.253)	fmns2.messagingengine.com. (162.159.25.114)
RR count (Answer/Authority/Additional)				OK	0/1/1	0/1/1
Response size (bytes)				OK	120	121
Response time (ms)				OK	85	85

Responses for fastmail.com/TXT

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	fmns1.messagingengine.com. (162.159.24.253)	fmns2.messagingengine.com. (162.159.25.114)
fastmail.com	3600	TXT	"v=spf1 include:spf.messagingengine.com ~all"	OK	Y	Y
RR count (Answer/Authority/Additional)				OK	1/0/1	1/0/1
Response size (bytes)				OK	108	108
Response time (ms)				OK	32	112

Responses for ufxqw.5fmlr.fastmail.com/A

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	fmns1.messagingengine.com. (162.159.24.253)	fmns2.messagingengine.com. (162.159.25.114)
ufxqw.5fmlr.fastmail.com	3600	A	103.168.172.37 103.168.172.52	OK	Y	Y
RR count (Answer/Authority/Additional)				OK	2/0/1	2/0/1
Response size (bytes)				OK	96	96
Response time (ms)				OK	85	87

Responses for fastmail.com/AAAA

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	fmns1.messagingengine.com. (162.159.24.253)	fmns2.messagingengine.com. (162.159.25.114)
RR count (Answer/Authority/Additional)				OK	0/1/1	0/1/1
Response size (bytes)				OK	121	121
Response time (ms)				OK	109	109

Responses for fastmail.com/SOA

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	fmns1.messagingengine.com. (162.159.24.253)	fmns2.messagingengine.com. (162.159.25.114)
fastmail.com	3600	SOA	fmns1.messagingengine.Com. postmaster.messagingengine.Com. 2025092200 86118 600 1209600 3600	OK	Y	Y
RR count (Answer/Authority/Additional)				OK	1/0/1	1/0/1
Response size (bytes)				OK	120	121
Response time (ms)				OK	108	109

Responses for fastmail.com/CDS

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	fmns1.messagingengine.com. (162.159.24.253)	fmns2.messagingengine.com. (162.159.25.114)
RR count (Answer/Authority/Additional)				OK	0/1/1	0/1/1
Response size (bytes)				OK	120	121
Response time (ms)				OK	90	106

Responses for fastmail.com/CNAME

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	fmns1.messagingengine.com. (162.159.24.253)	fmns2.messagingengine.com. (162.159.25.114)
RR count (Answer/Authority/Additional)				OK	0/1/1	0/1/1
Response size (bytes)				OK	121	120
Response time (ms)				OK	106	107

Responses for fastmail.com/MX

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	fmns1.messagingengine.com. (162.159.24.253)	fmns2.messagingengine.com. (162.159.25.114)
fastmail.com	3600	MX	10 in1-smtp.messagingengine.com. 20 in2-smtp.messagingengine.com.	OK	Y	Y
RR count (Answer/Authority/Additional)				OK	2/0/1	2/0/1
Response size (bytes)				OK	118	118
Response time (ms)				OK	32	33

Responses for fastmail.com/NS

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	fmns1.messagingengine.com. (162.159.24.253)	fmns2.messagingengine.com. (162.159.25.114)
fastmail.com	3600	NS	fmns1.messagingengine.com. fmns2.messagingengine.com.	OK	Y	Y
RR count (Answer/Authority/Additional)				OK	2/0/1	2/0/1
Response size (bytes)				OK	107	107
Response time (ms)				OK	16	75

Responses for fastmail.com/A

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	fmns1.messagingengine.com. (162.159.24.253)	fmns2.messagingengine.com. (162.159.25.114)
fastmail.com	3600	A	103.168.172.65	OK	Y	Y
RR count (Answer/Authority/Additional)				OK	1/0/1	1/0/1
Response size (bytes)				OK	67	68
Response time (ms)				OK	36	34

Responses for fastmail.com/CDNSKEY

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	fmns1.messagingengine.com. (162.159.24.253)	fmns2.messagingengine.com. (162.159.25.114)
RR count (Answer/Authority/Additional)				OK	0/1/1	0/1/1
Response size (bytes)				OK	120	120
Response time (ms)				OK	89	83