mail.citigroup.com - robtex.com

mail.citigroup.com

DNSSEC⚠️ Not signed
A192.193.71.3🇺🇸 CITI_SG192.193.71.0/24 SP_CITIBANK
PTRsmtp4.citigroup.com
A192.193.71.4🇺🇸 CITI_SG192.193.71.0/24 SP_CITIBANK
A192.193.96.33
A192.193.96.34
A192.193.96.35
A192.193.96.36
A192.193.193.95🇺🇸 AS3081192.193.193.0/24 SP_CITIBANK
A192.193.219.200🇺🇸 AS32287192.193.219.0/24 SP_CITIBANK
A192.193.219.201🇺🇸 AS32287192.193.219.0/24 SP_CITIBANK
A192.193.222.93🇺🇸 AS25883192.193.222.0/24 SP_CITIBANK
A199.67.141.25🇺🇸 AS4996199.67.141.0/24 SP_CITIBANK
A199.67.141.124🇺🇸 AS4996199.67.141.0/24 SP_CITIBANK
A199.67.141.127🇺🇸 AS4996199.67.141.0/24 SP_CITIBANK
TXTv=spf1 a:mail.citigroup.com ~all

citigroup.com

DNSSEC⚠️ Not signed
A104.94.222.171🇺🇸 AKAMAI-AMS104.94.222.0/24 Akamai Technologies
A104.96.178.165🇺🇸 AKAMAI-AMS104.96.178.0/24 Akamai Technologies
NSns1.nsroot1.com ⭐
NSns2.nsroot2.com
MXmx-a.mail.citi.com ⭐
MXmx-b.mail.citi.com ⭐
TXTglobalsign-domain-verification=5333822B44304398DE567C2747872C29
TXTgoogle-site-verification=B2RTefeDQDD6q_djOf22I7ncFCBM1hs0OuR29V5rbbo
TXTpaloaltonetworks-site-verification=3882d978b07397802d48b9068f445c4de7b6e8fc23...
TXTpostman-domain-verification=b0973f7c46e67edf55bb3d7f0de30d91ae3c1329d2512ad91...
TXTgoogle-site-verification=Lu5ecxuGzVLD5xOgdMcF244KOFnquxxCegkBp8DUuBY
TXTgoogle-site-verification=aFfLeCV8R5dO_bwkfnkyLB-RaRNaZ_vYRC_yM_z6rSM
TXTfacebook-domain-verification=2amqbctg7cv6hq0dxq4tf107b3y0zn
TXTMS=ms92288257
TXTgoogle-site-verification=W1oZvZ4pAy7ASU5vtQdbeLvsM-BLaTkQqUKHkEfkKW8
TXTgoogle-site-verification=jyExexYbISl-RPnkFRcw-mDH_aR3jJH71dDGXCNvAUQ
TXTv=spf1 a:1._spf.citigroup.com a:2._spf.citigroup.com include:spf-00123c01.pph...
TXTwebexdomainverification.9L49J=8ea68d0a-1e43-4ae8-9f61-f0dc3a1ba394
TXTcisco-ci-domain-verification=4ff6832706517f60b04d042675c64a5525964fb03e1eb523...
TXTMS=617A9E7598377F278D9D3B8CEBB893E897E4391D
TXTgoogle-site-verification=fFBk708T6VrNiFf8tgKZCw8vlZRvagtVZl-EnvQcOzY
TXTgoogle-site-verification=a5KdIF5qvy8oEnllolMuPZkvHZiN39w_Sc_wqWtJZDI
SOAns1.nsroot1.comhostmaster@citi.com 2021-10-30 #10
WOT: SAFE (92/100)
rank #5558 globally
rank #2764 in the tld
WOT: SAFE (92/100)
📈 Tranco rank: #6,909

PTR for

200.219.193.192.in-addr.arpa
201.219.193.192.in-addr.arpa
127.141.67.199.in-addr.arpa
25.141.67.199.in-addr.arpa
95.193.193.192.in-addr.arpa
93.222.193.192.in-addr.arpa
124.141.67.199.in-addr.arpa

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DNS History

40 records (13 active, 27 former)

201020122014201620182020202220242026A192.193.193.95192.193.219.200192.193.219.201192.193.222.93192.193.71.3192.193.71.4192.193.96.33192.193.96.34192.193.96.35192.193.96.36199.67.141.124199.67.141.127199.67.141.25192.193.221.101192.193.221.102192.193.221.103192.193.221.104192.193.221.105192.193.221.106192.193.221.107192.193.221.108192.193.221.109192.193.221.111192.193.71.1192.193.71.2199.67.179.101199.67.179.103199.67.179.104199.67.179.105199.67.179.106199.67.179.107199.67.179.108199.67.179.109199.67.179.110199.67.179.116199.67.179.117199.67.203.180199.67.203.181199.67.204.180199.67.204.181
●A192.193.193.952018-10-29 → 2026-04-24 · 3 obs
○ 2015-08-29 04:10:26
● 2018-10-29 15:19:08
● 2026-04-24 05:51:56
●A192.193.219.2002015-08-29 → 2026-04-24 · 3 obs
○ 2009-07-03 22:07:56
● 2015-08-29 04:10:26
● 2026-04-24 05:51:56
●A192.193.219.2012015-08-29 → 2026-04-24 · 3 obs
○ 2009-07-03 22:07:56
● 2015-08-29 04:10:26
● 2026-04-24 05:51:56
○A192.193.221.1012009-07-03 → 2009-07-03 · 3 obs
● 2009-07-03 22:07:56
○ 2015-08-29 04:10:26
○ 2026-04-24 05:51:56
○A192.193.221.1022009-07-03 → 2009-07-03 · 3 obs
● 2009-07-03 22:07:56
○ 2015-08-29 04:10:26
○ 2026-04-24 05:51:56
○A192.193.221.1032009-07-03 → 2009-07-03 · 3 obs
● 2009-07-03 22:07:56
○ 2015-08-29 04:10:26
○ 2026-04-24 05:51:56
○A192.193.221.1042009-07-03 → 2009-07-03 · 3 obs
● 2009-07-03 22:07:56
○ 2015-08-29 04:10:26
○ 2026-04-24 05:51:56
○A192.193.221.1052009-07-03 → 2009-07-03 · 3 obs
● 2009-07-03 22:07:56
○ 2015-08-29 04:10:26
○ 2026-04-24 05:51:56
○A192.193.221.1062009-07-03 → 2009-07-03 · 3 obs
● 2009-07-03 22:07:56
○ 2015-08-29 04:10:26
○ 2026-04-24 05:51:56
○A192.193.221.1072009-07-03 → 2009-07-03 · 3 obs
● 2009-07-03 22:07:56
○ 2015-08-29 04:10:26
○ 2026-04-24 05:51:56
○A192.193.221.1082009-07-03 → 2009-07-03 · 3 obs
● 2009-07-03 22:07:56
○ 2015-08-29 04:10:26
○ 2026-04-24 05:51:56
○A192.193.221.1092009-07-03 → 2009-07-03 · 3 obs
● 2009-07-03 22:07:56
○ 2015-08-29 04:10:26
○ 2026-04-24 05:51:56
○A192.193.221.1112009-07-03 → 2009-07-03 · 3 obs
● 2009-07-03 22:07:56
○ 2015-08-29 04:10:26
○ 2026-04-24 05:51:56
●A192.193.222.932018-10-29 → 2026-04-24 · 3 obs
○ 2015-08-29 04:10:26
● 2018-10-29 15:19:08
● 2026-04-24 05:51:56
○A192.193.71.12009-07-03 → 2009-07-03 · 3 obs
● 2009-07-03 22:07:56
○ 2015-08-29 04:10:26
○ 2026-04-24 05:51:56
○A192.193.71.22009-07-03 → 2009-07-03 · 3 obs
● 2009-07-03 22:07:56
○ 2015-08-29 04:10:26
○ 2026-04-24 05:51:56
●A192.193.71.32009-07-03 → 2026-04-24 · 2 obs
● 2009-07-03 22:07:56
● 2026-04-24 05:51:56
●A192.193.71.42009-07-03 → 2026-04-24 · 2 obs
● 2009-07-03 22:07:56
● 2026-04-24 05:51:56
●A192.193.96.332009-07-03 → 2026-04-24 · 2 obs
● 2009-07-03 22:07:56
● 2026-04-24 05:51:56
●A192.193.96.342009-07-03 → 2026-04-24 · 2 obs
● 2009-07-03 22:07:56
● 2026-04-24 05:51:56
●A192.193.96.352009-07-03 → 2026-04-24 · 2 obs
● 2009-07-03 22:07:56
● 2026-04-24 05:51:56
●A192.193.96.362009-07-03 → 2026-04-24 · 2 obs
● 2009-07-03 22:07:56
● 2026-04-24 05:51:56
●A199.67.141.1242015-08-29 → 2026-04-24 · 3 obs
○ 2009-07-03 22:07:56
● 2015-08-29 04:10:26
● 2026-04-24 05:51:56
●A199.67.141.1272015-08-29 → 2026-04-24 · 3 obs
○ 2009-07-03 22:07:56
● 2015-08-29 04:10:26
● 2026-04-24 05:51:56
●A199.67.141.252009-07-03 → 2026-04-24 · 2 obs
● 2009-07-03 22:07:56
● 2026-04-24 05:51:56
○A199.67.179.1012009-07-03 → 2009-07-03 · 3 obs
● 2009-07-03 22:07:56
○ 2015-08-29 04:10:26
○ 2026-04-24 05:51:56
○A199.67.179.1032009-07-03 → 2009-07-03 · 3 obs
● 2009-07-03 22:07:56
○ 2015-08-29 04:10:26
○ 2026-04-24 05:51:56
○A199.67.179.1042009-07-03 → 2009-07-03 · 3 obs
● 2009-07-03 22:07:56
○ 2015-08-29 04:10:26
○ 2026-04-24 05:51:56
○A199.67.179.1052009-07-03 → 2009-07-03 · 3 obs
● 2009-07-03 22:07:56
○ 2015-08-29 04:10:26
○ 2026-04-24 05:51:56
○A199.67.179.1062009-07-03 → 2009-07-03 · 3 obs
● 2009-07-03 22:07:56
○ 2015-08-29 04:10:26
○ 2026-04-24 05:51:56
○A199.67.179.1072009-07-03 → 2009-07-03 · 3 obs
● 2009-07-03 22:07:56
○ 2015-08-29 04:10:26
○ 2026-04-24 05:51:56
○A199.67.179.1082009-07-03 → 2009-07-03 · 3 obs
● 2009-07-03 22:07:56
○ 2015-08-29 04:10:26
○ 2026-04-24 05:51:56
○A199.67.179.1092009-07-03 → 2009-07-03 · 3 obs
● 2009-07-03 22:07:56
○ 2015-08-29 04:10:26
○ 2026-04-24 05:51:56
○A199.67.179.1102009-07-03 → 2009-07-03 · 3 obs
● 2009-07-03 22:07:56
○ 2015-08-29 04:10:26
○ 2026-04-24 05:51:56
○A199.67.179.1162009-07-03 → 2009-07-03 · 3 obs
● 2009-07-03 22:07:56
○ 2015-08-29 04:10:26
○ 2026-04-24 05:51:56
○A199.67.179.1172009-07-03 → 2009-07-03 · 3 obs
● 2009-07-03 22:07:56
○ 2015-08-29 04:10:26
○ 2026-04-24 05:51:56
○A199.67.203.1802009-07-03 → 2009-07-03 · 3 obs
● 2009-07-03 22:07:56
○ 2015-08-29 04:10:26
○ 2026-04-24 05:51:56
○A199.67.203.1812009-07-03 → 2009-07-03 · 3 obs
● 2009-07-03 22:07:56
○ 2015-08-29 04:10:26
○ 2026-04-24 05:51:56
○A199.67.204.1802009-07-03 → 2009-07-03 · 3 obs
● 2009-07-03 22:07:56
○ 2015-08-29 04:10:26
○ 2026-04-24 05:51:56
○A199.67.204.1812009-07-03 → 2009-07-03 · 3 obs
● 2009-07-03 22:07:56
○ 2015-08-29 04:10:26
○ 2026-04-24 05:51:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, m.gtld-servers.net...-
citigroup.comns2.nsroot2.com, ns1.nsroot1.com2 records

✅ Authoritative Response

Server:156.154.64.172

NS records: ns2.nsroot2.com, ns1.nsroot1.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for citigroup.com (unsigned zone)

⏱️ Timing

Total: 202ms | Queries: -

📄 Records

TypeCountSample Data
A13192.193.71.3, 199.67.141.25...
TXT1v=spf1 a:mail.citigroup.com ~all

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.nsroot2.com, ns1.nsroot1.com)

Analysis

IP Addresses

mail.citigroup.com points to thirteen IP numbers: 192.193.71.3, 192.193.71.4, 192.193.96.33, 192.193.96.34, 192.193.96.35, 192.193.96.36, 192.193.193.95, 192.193.219.200, 192.193.219.201, 192.193.222.93, 199.67.141.25, 199.67.141.124 and 199.67.141.127.

other host names including smtp5.citigroup.com, smtp11.citigroup.com, smtp4.citigroup.com, 2._spf.citigroup.com and smtpinbound-mpod-2.citigroup.com share IP numbers with mail.citigroup.com.