serco.com - robtex.com

serco.com

DNSSEC🔒 Signed (DS record present)
A4.234.53.209🇬🇧 Microsoft4.224.0.0/12 MICROSOFT
NSns1-04.azure-dns.com ⭐
A2603:1061:0:700::4🇺🇸 Microsoft2603:1000::/25 MICROSOFT
PTRns1-04.azure-dns.com
A13.107.236.4🇺🇸 Microsoft13.104.0.0/14 MICROSOFT
PTRns1-04.azure-dns.com
NSns2-04.azure-dns.net
A2620:1ec:8ec:700::4🇺🇸 Microsoft2620:1ec::/36 MICROSOFT
PTRns2-04.azure-dns.net
A150.171.21.4🇺🇸 Microsoft150.171.0.0/16 MICROSOFT
PTRns2-04.azure-dns.net
NSns3-04.azure-dns.org
A2a01:111:4000:700::4🇬🇧 Microsoft2a01:111:4000::/36
PTRns3-04.azure-dns.org
A204.14.183.4🇺🇸 Microsoft204.14.180.0/22
PTRns3-04.azure-dns.org
NSns4-04.azure-dns.info
A2620:1ec:bda:700::4🇺🇸 Microsoft2620:1ec::/36 MICROSOFT
PTRns4-04.azure-dns.info
A208.84.5.4🇺🇸 Microsoft208.84.0.0/21 MICROSOFT
PTRns4-04.azure-dns.info
MXserco-com.mail.protection.outlook.com ⭐
A2a01:111:f403:c902::7🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-sj0pr02cu00107.inbound.protection.outlook.com
A2a01:111:f403:c936::🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-cy1pr05cu00400.inbound.protection.outlook.com
A2a01:111:f403:f901::🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-mn2pr04cu00200.inbound.protection.outlook.com
A2a01:111:f403:f910::🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-cy5pr03cu00300.inbound.protection.outlook.com
A52.101.40.2🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-cy1pr05cu00402.inbound.protection.outlook.com
A52.101.41.6🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sj0pr03cu01406.inbound.protection.outlook.com
A52.101.41.21🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sj2pr05cu00305.inbound.protection.outlook.com
A52.101.194.12🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-ch0pr04cu00504.inbound.protection.outlook.com
TXTv=spf1 ip4:168.245.49.105/32 ip4:54.240.30.198/32 ip4:54.240.30.199/32 ip4:52...
TXTSerco
TXTdocusign=f68fcb26-338e-4be9-9b0a-8853e2d0eb17
TXTJkxMxl+6PCHDsjO54WeggFc40s+h04mhBOWLXccEqQA2j2q/XejbSCBY4q7QY2tQolLlTuOo3kj86...
TXTaccess-domain-verification=9cf916a122ed5369aa3644483883393780418d4753d31019c5...
TXTteamviewer-sso-verification=63b287cc33b14f7eb087509e421fc816
TXTatlassian-domain-verification=qSLeaosPqdoFnmcgEclgQh4QcfhJ29DkvMPIE8wAKnigw/t...
TXTmsfpkey=7eu7y8n942gkoiwrbwk3k8r2y
TXTj3pqch14l4ly104spx4bp9kw23sm2kfz
TXTpaloaltonetworks-site-verification=15c445503fcf0d0334e0eef5aebfc48325207aa635...
TXTd365mktkey=SVQBZZfrdMmmuHyjTFB05bgAegQkADWtT0GARV0Ux54x
TXTd365mktkey=qdwhl2yvWRqe1xdsnuKWxPzkPZv5xxze02AHllp3yOEx
TXTd365mktkey=i6aFmxnROfYNgDpPz8a9HQSjtCFUyFi2C6nUfsxWfXwx
TXTd365mktkey=JEcuKQcUc8HYcgDfeRVH8S5e40vlfho6dFxb67xIL1ox
TXTapple-domain-verification=QEMOXn51uk2YRUd3
TXTd365mktkey=q1wtE6DMA1nW0KmKhNj6wRxaexo4OitfaZoperxCdQ8x
TXTd365mktkey=cQmulkYEgxEAJvLDraml3mRJOyn0Vp0YibHGxDvFXK8x
TXTd365mktkey=N8pmeSdCmFlldPAe6VKZ5ZCSmiqblIKDsOXxTU7xkeMx
TXTd365mktkey=MNcsFP3eofTEk5ok8xqISQxBf0uvVSbig8CBTPOxmRAx
TXT_o4hchqmzfuaghqqqk8268nvadbrsqx1
TXTbox-domain-verification=947ffa11d9b85ff523c6b3765e5f0cf2c87ae74352b70dbe71104...
TXT_wu3fhqaxmhiwz1cpg9p2jw5wtfjuw45
TXTmiro-verification=fe93d81f2e79f94fe43839fe175b823481ef54d6
SOAns1-04.azure-dns.comazuredns-hostmaster@microsoft.com serial=1

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1771291435
rank #53208 globally
rank #23756 in the tld
WOT: SAFE (69/100)
📈 Tranco rank: #86,246

Up

smtp.serco.com
cswitch.serco.com
rproxuk03.serco.com
adfsidp01.serco.com
www.serco.com
myaccount.serco.com
mylogin.serco.com
rproxeu04.serco.com
keys.serco.com

Same first word

serco.cn
serco.ca
serco.foundation
serco.group
serco.co
serco.careers
serco.sucks
serco.fi
serco.ch
serco.com.au
serco.hu
serco.es
serco.institute
serco.us
serco.ro
serco.ltd
serco.dk
serco.lu
serco.biz
serco.academy
serco.solutions
serco.in
serco.services
serco.nl
serco.net
serco.lk
serco.be
serco.com.cn
serco.exchange
serco.se
serco.it
serco.(0x736578)
serco.cleaning
serco.co.uk
serco.srv.br
serco.gr
serco.equipment
serco.com.mx
serco.info
serco.com
serco.community
serco.de
serco.com.hk
serco.exposed
serco.cl
serco.co.nz
serco.ae
serco.co.jp
serco.international
serco.company
serco.world
serco.eu

Similar names

secor.fr
secor.biz
cores.co.uk
ceros.dk
score.ink
cores.com.cn
coser.ind.br
sorec.com
corse.it
resco.nl
cesor.net
ceros.de
ecros.com
score.to
secro.nl
creos.com.qa
cores.in
secor.be
secor.ru
creos.nl
cores.ro
score.run
ercos.it
secor.de
roces.sk
socre.eu
eoscr.com
cores.com.tr
resco.biz
secor.ro
score.cash
corse.pl
score.az
cores.cloud
recos.de
ercos.de
resco.ch
cores.com
score.guru
creos.net
cores.cz
cores.io
score.gov.sg
socer.pt
creso.cn
secor.mx
secor.es
resco.pl
resco.com
coser.com.br
creso.eu
rosec.net
score.net
orecs.in
secor.cl
recos.org
ercos.com
escro.ws
resco.be
cores.biz
score.org.za
orsec.com.br
socre.org
recos.mobi
corse.de
sreco.net
secor.me
orsec.com
resco.net
score.today
creos.info
croes.be
resco.cz
rcoes.ru
rosec.ru
seocr.com.cn
ocres.com
score.vc
corse.bike
resco.com.sv
resco.sa
score.company
roecs.com
secor.no
ceros.ch
cerso.net
score.tv
orsce.com
score.ge
creos.se
coser.net.cn
recos.com
score.expert
croes.me
creso.de
socer.com

DNS History

20 records (6 active, 14 former)

20162017201820192020202120222023202420252026NSns1-04.azure-dns.comns2-04.azure-dns.netns3-04.azure-dns.orgns4-04.azure-dns.infocore1dn(0x736578)t01.serco.comcore2dn(0x736578)t01.serco.comcore4dn(0x736578)t01.serco.comcore6dn(0x736578)t01.serco.comdns2.idp365.netMXserco-com.mail.protection.outlook.comcluster8.eu.messagelabs.comcluster8a.eu.messagelabs.commx1.hc3707-74.iphmx.commx1.hc48-65.r1.ces.cisco.commx2.hc3707-74.iphmx.commx2.hc48-65.r1.ces.cisco.comA4.234.53.209191.237.223.86217.22.0.3740.68.83.40
○NScore1dn(0x736578)t01.serco.com2015-09-02 → 2018-11-12 · 4 obs
● 2015-09-02 01:02:46
● 2018-11-12 03:06:04
○ 2019-09-11 14:15:54
○ 2026-02-25 00:45:08
○NScore2dn(0x736578)t01.serco.com2015-09-02 → 2018-11-12 · 4 obs
● 2015-09-02 01:02:46
● 2018-11-12 03:06:04
○ 2019-09-11 14:15:54
○ 2026-02-25 00:45:08
○NScore4dn(0x736578)t01.serco.com2015-09-02 → 2018-11-12 · 4 obs
● 2015-09-02 01:02:46
● 2018-11-12 03:06:04
○ 2019-09-11 14:15:54
○ 2026-02-25 00:45:08
○NScore6dn(0x736578)t01.serco.com2015-09-02 → 2018-11-12 · 4 obs
● 2015-09-02 01:02:46
● 2018-11-12 03:06:04
○ 2019-09-11 14:15:54
○ 2026-02-25 00:45:08
○NSdns2.idp365.net2015-09-02 → 2018-11-12 · 4 obs
● 2015-09-02 01:02:46
● 2018-11-12 03:06:04
○ 2019-09-11 14:15:54
○ 2026-02-25 00:45:08
●NSns1-04.azure-dns.com2019-09-11 → 2026-02-25 · 3 obs
○ 2018-11-12 03:06:04
● 2019-09-11 14:15:54
● 2026-02-25 00:45:08
●NSns2-04.azure-dns.net2019-09-11 → 2026-02-25 · 3 obs
○ 2018-11-12 03:06:04
● 2019-09-11 14:15:54
● 2026-02-25 00:45:08
●NSns3-04.azure-dns.org2019-09-11 → 2026-02-25 · 3 obs
○ 2018-11-12 03:06:04
● 2019-09-11 14:15:54
● 2026-02-25 00:45:08
●NSns4-04.azure-dns.info2019-09-11 → 2026-02-25 · 3 obs
○ 2018-11-12 03:06:04
● 2019-09-11 14:15:54
● 2026-02-25 00:45:08
○MXcluster8.eu.messagelabs.com2015-09-02 → 2017-07-27 · 4 obs
● 2015-09-02 01:02:46
● 2017-07-27 04:01:06
○ 2017-10-10 12:56:30
○ 2026-02-25 00:45:08
○MXcluster8a.eu.messagelabs.com2015-09-02 → 2017-07-27 · 4 obs
● 2015-09-02 01:02:46
● 2017-07-27 04:01:06
○ 2017-10-10 12:56:30
○ 2026-02-25 00:45:08
○MXmx1.hc3707-74.iphmx.com2019-10-01 → 2020-12-31 · 5 obs
○ 2017-10-10 12:56:30
● 2019-10-01 16:51:16
● 2020-12-31 09:21:02
○ 2026-02-14 22:44:14
○ 2026-02-25 00:45:08
○MXmx1.hc48-65.r1.ces.cisco.com2017-10-10 → 2019-10-01 · 5 obs
○ 2017-07-27 04:01:06
● 2017-10-10 12:56:30
● 2019-10-01 16:51:16
○ 2020-04-15 05:12:10
○ 2026-02-25 00:45:08
○MXmx2.hc3707-74.iphmx.com2019-10-01 → 2020-12-31 · 5 obs
○ 2017-10-10 12:56:30
● 2019-10-01 16:51:16
● 2020-12-31 09:21:02
○ 2026-02-14 22:44:14
○ 2026-02-25 00:45:08
○MXmx2.hc48-65.r1.ces.cisco.com2017-10-10 → 2019-10-01 · 5 obs
○ 2017-07-27 04:01:06
● 2017-10-10 12:56:30
● 2019-10-01 16:51:16
○ 2020-04-15 05:12:10
○ 2026-02-25 00:45:08
●MXserco-com.mail.protection.outlook.com2026-02-14 → 2026-02-25 · 3 obs
○ 2020-12-31 09:21:02
● 2026-02-14 22:44:14
● 2026-02-25 00:45:08
○A191.237.223.862015-09-11 → 2017-10-10 · 5 obs
○ 2015-09-10 04:13:44
● 2015-09-11 06:53:18
● 2017-10-10 12:56:30
○ 2018-03-16 00:16:36
○ 2026-02-25 00:45:08
○A217.22.0.372015-09-02 → 2015-09-10 · 4 obs
● 2015-09-02 01:02:46
● 2015-09-10 04:13:44
○ 2015-09-11 06:53:18
○ 2026-02-25 00:45:08
●A4.234.53.2092026-02-14 → 2026-02-25 · 3 obs
○ 2020-12-31 09:21:02
● 2026-02-14 22:44:14
● 2026-02-25 00:45:08
○A40.68.83.402018-03-16 → 2020-12-31 · 5 obs
○ 2017-10-10 12:56:30
● 2018-03-16 00:16:36
● 2020-12-31 09:21:02
○ 2026-02-14 22:44:14
○ 2026-02-25 00:45:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
serco.comns1-04.azure-dns.com, ns2-04.azure-dns.net, ns3-04.azure-dns.org, ns4-04.azure-dns.info2 records

✅ Authoritative Response

Server: 13.107.236.4

NS records: ns1-04.azure-dns.com, ns2-04.azure-dns.net, ns3-04.azure-dns.org, ns4-04.azure-dns.info

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1913ms | Queries: -

📄 Records

TypeCountSample Data
A14.234.53.209
NS4ns1-04.azure-dns.com, ns2-04.azure-dns.net...
MX1serco-com.mail.protection.outlook.com (p
TXT23v=spf1 ip4:168.245.49.105/32 ip4:54.240., Serco...
SOA1ns1-04.azure-dns.com azuredns-hostmaster

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1-04.azure-dns.com, ns1-04.azure-dns.com)

AI analysis

serco.com has children including smtp.serco.com, cswitch.serco.com, rproxuk03.serco.com, adfsidp01.serco.com, www.serco.com and a few other host names.

serco.com points to a single IP address: 4.234.53.209.

Other host names, for instance cswitch.serco.com, share IP numbers with serco.com.

serco.com is delegated to four name servers: ns1-04.azure-dns.com, ns4-04.azure-dns.info, ns2-04.azure-dns.net and ns3-04.azure-dns.org.

At least part of the name servers for serco.com are shared with other domains, for instance vosskom.no, formerra-distribution.com, irelandtampax.com, carthope.com and unibroker.com.ar.

Host names with two IP numbers:

ns1-04.azure-dns.com points to: 2603:1061:0:700::4 and 13.107.236.4

ns4-04.azure-dns.info points to: 2620:1ec:bda:700::4 and 208.84.5.4

ns2-04.azure-dns.net points to: 2620:1ec:8ec:700::4 and 150.171.21.4

ns3-04.azure-dns.org points to: 2a01:111:4000:700::4 and 204.14.183.4

The mail server for serco.com is serco-com.mail.protection.outlook.com.

serco-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c902::7, 2a01:111:f403:c936::, 2a01:111:f403:f901::, 2a01:111:f403:f910::, 52.101.40.2, 52.101.41.6, 52.101.41.21 and 52.101.194.12.