about.us - robtex.com

about.us

DNSSEC⚠️ Not signed
A34.204.39.241🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix
PTRec2-34-204-39-241.compute-1.amazonaws.com
A54.85.227.149🇺🇸 Amazon54.84.0.0/15 EC2 IAD prefix
NSpdns1.ultradns.net ⭐ ⚠️ Not in parent delegation
A2001:502:f3ff::1🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar
PTRpdns1.ultradns.net
A204.74.108.1🇺🇸 MAINT-ID-12008204.74.108.0/24 Neustar
PTRpdns1.ultradns.net
NSns1.usatfus.about.us ⚠️ Not in zone NS records
A2001:502:f3ff::32🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar
PTRns1.usatfus.about.us
A156.154.64.32🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar
PTRns1.usatfus.about.us
NSns2.usatfus.about.us ⚠️ Not in zone NS records
A2610:a1:1014::32🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar
PTRns2.usatfus.about.us
A156.154.65.32🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar
PTRns2.usatfus.about.us
NSpdns2.ultradns.net ⚠️ Not in parent delegation
A2610:a1:1014::1🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar
PTRpdns2.ultradns.net
A204.74.109.1🇺🇸 MAINT-ID-12008204.74.109.0/24 Neustar
PTRpdns2.ultradns.net
NSpdns3.ultradns.org ⚠️ Not in parent delegation
A2610:a1:1015::1🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar
PTRpdns3.ultradns.org
A199.7.68.1🇺🇸 MAINT-ID-12008199.7.68.0/24 Neustar
PTRpdns3.ultradns.org
NSpdns4.ultradns.org ⚠️ Not in parent delegation
A2001:502:4612::1🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar
PTRpdns4.ultradns.org
A199.7.69.1🇺🇸 MAINT-ID-12008199.7.69.0/24 Neustar
PTRpdns4.ultradns.org
NSpdns5.ultradns.info ⚠️ Not in parent delegation
A2610:a1:1016::1🇺🇸 MAINT-ID-120082610:a1:1016::/48 Neustar
PTRpdns5.ultradns.info
A204.74.114.1🇺🇸 MAINT-ID-12008204.74.114.0/24 Neustar
PTRpdns5.ultradns.info
NSpdns6.ultradns.co.uk ⚠️ Not in parent delegation
A2610:a1:1017::1🇺🇸 MAINT-ID-120082610:a1:1017::/48 Neustar
PTRpdns6.ultradns.co.uk
A204.74.115.1🇺🇸 MAINT-ID-12008204.74.115.0/24 Neustar
PTRpdns6.ultradns.co.uk
NSudns1.ultradns.net ⚠️ Not in parent delegation
A2001:502:f3ff::d🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar
PTRudns1.ultradns.net
A204.69.234.1🇺🇸 MAINT-ID-12008204.69.234.0/24 Neustar
PTRudns1.ultradns.net
NSudns2.ultradns.net ⚠️ Not in parent delegation
A2610:a1:1014::d🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar
PTRudns2.ultradns.net
A204.74.101.1🇺🇸 MAINT-ID-12008204.74.101.0/24 Neustar
PTRudns2.ultradns.net
MXabout-us.mail.protection.outlook.com ⭐
A2a01:111:f403:c922::1🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-bl0pr05cu00501.inbound.protection.outlook.com
A2a01:111:f403:c92c::1🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-dm6pr03cu00401.inbound.protection.outlook.com
A2a01:111:f403:f804::1🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-co1pr05cu00301.inbound.protection.outlook.com
A2a01:111:f403:f905::3🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-dm5pr02cu00203.inbound.protection.outlook.com
A40.93.192.1🇺🇸 Microsoft40.80.0.0/12
PTRmail-dm5pr02cu00201.inbound.protection.outlook.com
A52.101.11.9🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sn1pr02cu00101.inbound.protection.outlook.com
A52.101.40.4🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-cy5pr03cu00204.inbound.protection.outlook.com
A52.101.50.13🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-mw2pr02cu00605.inbound.protection.outlook.com
TXTinclude spfa.protection.outlook.com
TXTamazonses:5QxLIWcoVQFlFRNLz/iEkYZM4vTetoX2sA800xoOxe8=
TXTFakNEKZRRTqjsp3Q59LrQjobwpS5buYdYmSS4G3KJYlCQHSACa0MWLXKNPy1FaV2vQp0+X1iRTbys...
TXTv=spf1 include:spf.protection.outlook.com include:spf-0018ba01.pphosted.com i...
SOApdns1.ultradns.netsec_grp@neustar.com serial=1298801758

us

DNSSEC🔒 Signed (DS record present)
NSa.cctld.us ⭐ 🔒
NSb.cctld.us 🔒
NSf.cctld.us 🔒
NSk.cctld.us 🔒
NSm.cctld.us 🔒
NSn.cctld.us 🔒
NSw.cctld.us 🔒
NSx.cctld.us 🔒
NSy.cctld.us 🔒
SOAa.cctld.usadmin@tldns.godaddy serial=1771291699
rank #68106 globally
rank #159 in the tld
WOT: SAFE (94/100)
📈 Tranco rank: #263,616

PTR for

226.193.154.156.in-addr.arpa
226.42.154.156.in-addr.arpa

Up

www.about.us

Same first word

about.pub
about.neustar
about.kim
about.berlin
about.me
about.lol
about.place
about.youtube
about.co.kr
about.community
about.credit
about.us
about.prudential
about.kr
about.hk
about.ad
about.ag
about.es
about.doctor
about.jnj
about.capetown
about.fj.cn
about.in
about.dev
about.blog
about.com.cn
about.net.au
about.ru
about.yoga
about.ac
about.ee
about.philips
about.to
about.co.uk
about.microsoft
about.ma
about.pl
about.ht
about.co.za
about.cn
about.pru
about.google
about.ca
about.co
about.ws
about.pk
about.ge
about.no
about.kz
about.au
about.fr
about.mx
about.com.sg
about.build
about.city
about.ie
about.black
about.chat
about.com
about.ro
about.realtor
about.cz
about.tv
about.map.fastly.net
about.ai
about.bz
about.gr
about.amsterdam
about.lc
about.life
about.ch
about.la
about.com.tr
about.lt
about.net
about.cern
about.it
about.biz
about.land
about.be
about.org

Similar names

tubao.com.cn
autob.pl
batou.net
uboat.de
tubao.be
uboat.us
batuo.net
abtou.com
batou.org
autob.ru
touba.it
batou.tech
utoba.com
taubo.no
taobu.com
touba.cash
buato.com
uabot.com
butoa.com
autob.com
batou.nl
baotu.net
autob.de
autob.it
tabou.com
outab.com
touba.de
abuot.com
tubao.me
bauto.ro
baotu.org
batou.de
butao.net
tabou.ws
tabou.de
uboat.xyz
otabu.com
autbo.com
aubot.org
aubot.cn
batou.eu
aubot.com
uboat.work
autob.eu
batou.fr
uboat.cz
bauto.es
ubato.org
bauto.de
bauto.com.my
touba.mobi
obatu.com
tobua.com
tabou.be
aubot.dk
uboat.nl
ubato.com
bauto.it
outba.com
touba.org
touba.us
bauto.ru
bauto.com
baotu.com
batou.com
batou.xyz
tabuo.com
uboat.it
autob.ch
tabou.pl
bauto.org
tobau.com.cn
taobu.cn
tubao.es
tubao.fr
tubao.eu

DNS History

22 records (13 active, 9 former)

20162017201820192020202120222023202420252026NSns1.usatfus.about.usns2.usatfus.about.uspdns1.ultradns.netpdns2.ultradns.netpdns3.ultradns.orgpdns4.ultradns.orgpdns5.ultradns.infopdns6.ultradns.co.ukudns1.ultradns.netudns2.ultradns.netgdns1.ultradns.netMXabout-us.mail.protection.outlook.commxa-0018ba01.gslb.pphosted.commxb-0018ba01.gslb.pphosted.comns6.neustar.comns7.neustar.comA34.204.39.24154.85.227.149156.154.193.226156.154.42.226184.72.97.353.214.232.213
○NSgdns1.ultradns.net2015-07-24 → 2017-08-29 · 4 obs
● 2015-07-24 12:38:52
● 2017-08-29 11:42:18
○ 2019-10-24 01:27:30
○ 2026-02-25 09:09:44
●NSns1.usatfus.about.us2026-02-16 → 2026-02-25 · 3 obs
○ 2021-10-31 06:04:44
● 2026-02-16 11:35:16
● 2026-02-25 09:09:44
●NSns2.usatfus.about.us2026-02-16 → 2026-02-25 · 3 obs
○ 2021-10-31 06:04:44
● 2026-02-16 11:35:16
● 2026-02-25 09:09:44
●NSpdns1.ultradns.net2015-07-24 → 2026-02-25 · 2 obs
● 2015-07-24 12:38:52
● 2026-02-25 09:09:44
●NSpdns2.ultradns.net2015-07-24 → 2026-02-25 · 2 obs
● 2015-07-24 12:38:52
● 2026-02-25 09:09:44
●NSpdns3.ultradns.org2015-07-24 → 2026-02-25 · 2 obs
● 2015-07-24 12:38:52
● 2026-02-25 09:09:44
●NSpdns4.ultradns.org2015-07-24 → 2026-02-25 · 2 obs
● 2015-07-24 12:38:52
● 2026-02-25 09:09:44
●NSpdns5.ultradns.info2015-07-24 → 2026-02-25 · 2 obs
● 2015-07-24 12:38:52
● 2026-02-25 09:09:44
●NSpdns6.ultradns.co.uk2015-07-24 → 2026-02-25 · 2 obs
● 2015-07-24 12:38:52
● 2026-02-25 09:09:44
●NSudns1.ultradns.net2021-10-31 → 2026-02-25 · 3 obs
○ 2019-10-24 01:27:30
● 2021-10-31 06:04:44
● 2026-02-25 09:09:44
●NSudns2.ultradns.net2021-10-31 → 2026-02-25 · 3 obs
○ 2019-10-24 01:27:30
● 2021-10-31 06:04:44
● 2026-02-25 09:09:44
●MXabout-us.mail.protection.outlook.com2021-04-25 → 2026-02-25 · 3 obs
○ 2021-01-16 21:45:52
● 2021-04-25 17:40:40
● 2026-02-25 09:09:44
○MXmxa-0018ba01.gslb.pphosted.com2015-09-14 → 2021-01-16 · 5 obs
○ 2015-07-24 12:38:52
● 2015-09-14 09:01:52
● 2021-01-16 21:45:52
○ 2021-04-25 17:40:40
○ 2026-02-25 09:09:44
○MXmxb-0018ba01.gslb.pphosted.com2015-09-14 → 2021-01-16 · 5 obs
○ 2015-07-24 12:38:52
● 2015-09-14 09:01:52
● 2021-01-16 21:45:52
○ 2021-04-25 17:40:40
○ 2026-02-25 09:09:44
○MXns6.neustar.com2015-07-24 → 2015-07-24 · 3 obs
● 2015-07-24 12:38:52
○ 2015-09-14 09:01:52
○ 2026-02-25 09:09:44
○MXns7.neustar.com2015-07-24 → 2015-07-24 · 3 obs
● 2015-07-24 12:38:52
○ 2015-09-14 09:01:52
○ 2026-02-25 09:09:44
○A156.154.193.2262016-11-18 → 2021-01-16 · 5 obs
○ 2015-07-24 12:38:52
● 2016-11-18 10:37:16
● 2021-01-16 21:45:52
○ 2021-04-25 17:40:40
○ 2026-02-25 09:09:44
○A156.154.42.2262015-07-24 → 2021-01-16 · 4 obs
● 2015-07-24 12:38:52
● 2021-01-16 21:45:52
○ 2021-04-25 17:40:40
○ 2026-02-25 09:09:44
○A184.72.97.352021-04-25 → 2021-07-12 · 5 obs
○ 2021-01-16 21:45:52
● 2021-04-25 17:40:40
● 2021-07-12 17:02:44
○ 2021-10-31 06:04:44
○ 2026-02-25 09:09:44
○A3.214.232.2132021-04-25 → 2021-07-12 · 5 obs
○ 2021-01-16 21:45:52
● 2021-04-25 17:40:40
● 2021-07-12 17:02:44
○ 2021-10-31 06:04:44
○ 2026-02-25 09:09:44
●A34.204.39.2412021-10-31 → 2026-02-25 · 3 obs
○ 2021-07-12 17:02:44
● 2021-10-31 06:04:44
● 2026-02-25 09:09:44
●A54.85.227.1492021-10-31 → 2026-02-25 · 3 obs
○ 2021-07-12 17:02:44
● 2021-10-31 06:04:44
● 2026-02-25 09:09:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
usf.cctld.us, k.cctld.us, y.cctld.us, x.cctld.us...-
about.usns2.usatfus.about.us, ns1.usatfus.about.us4 records

✅ Authoritative Response

Server: 156.154.64.32

NS records: ns2.usatfus.about.us, ns1.usatfus.about.us

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for about.us (unsigned zone)

⏱️ Timing

Total: 383ms | Queries: -

📄 Records

TypeCountSample Data
A234.204.39.241, 54.85.227.149
NS8pdns1.ultradns.net, pdns2.ultradns.net...
MX1about-us.mail.protection.outlook.com (pr
TXT4include spfa.protection.outlook.com, amazonses:5QxLIWcoVQFlFRNLz/iEkYZM4vTeto...
SOA1pdns1.ultradns.net sec_grp.neustar.com

📌 Glue Records Collected

Total: 4

In-bailiwick: 4 (ns2.usatfus.about.us, ns1.usatfus.about.us, ns2.usatfus.about.us...)

AI analysis

about.us is a parent of www.about.us.

about.us points to two IP numbers: 34.204.39.241 and 54.85.227.149.

Other host names such as go.co, kickstartamerica.co, (0x786e7878).com.www.(0x787878), usparking.neustar.us and neustarregistry.biz share IP numbers with about.us.

about.us is delegated to ten name servers: pdns5.ultradns.info, pdns1.ultradns.net, pdns2.ultradns.net, udns1.ultradns.net, udns2.ultradns.net, pdns3.ultradns.org, pdns4.ultradns.org, pdns6.ultradns.co.uk, ns1.usatfus.about.us and ns2.usatfus.about.us.

At least part of the name servers for about.us are shared with other domains, for instance 170.219.52.in-addr.arpa, desjardinslifeinsurance.com, internetfilmdatabase.com, mylocalsurvey.com and clarkscanada.com.

These name servers are often used together with the name servers dns-external-master.amazon.com, x1.amazonaws.com, x2.amazonaws.com, x3.amazonaws.org, x4.amazonaws.org, ns1.dealer.com and ns2.dealer.com.

Host names with two IP numbers:

pdns5.ultradns.info points to: 2610:a1:1016::1 and 204.74.114.1

pdns1.ultradns.net points to: 2001:502:f3ff::1 and 204.74.108.1

pdns2.ultradns.net points to: 2610:a1:1014::1 and 204.74.109.1

udns1.ultradns.net points to: 2001:502:f3ff::d and 204.69.234.1

udns2.ultradns.net points to: 2610:a1:1014::d and 204.74.101.1

pdns3.ultradns.org points to: 2610:a1:1015::1 and 199.7.68.1

pdns4.ultradns.org points to: 2001:502:4612::1 and 199.7.69.1

pdns6.ultradns.co.uk points to: 2610:a1:1017::1 and 204.74.115.1

ns1.usatfus.about.us points to: 2001:502:f3ff::32 and 156.154.64.32

ns2.usatfus.about.us points to: 2610:a1:1014::32 and 156.154.65.32

The mail server for about.us is about-us.mail.protection.outlook.com.

about-us.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c922::1, 2a01:111:f403:c92c::1, 2a01:111:f403:f804::1, 2a01:111:f403:f905::3, 40.93.192.1, 52.101.11.9, 52.101.40.4 and 52.101.50.13.