thomas-sullivan.com - robtex.com

thomas-sullivan.com

DNSSEC⚠️ Not signed
A216.86.138.242πŸ‡ΊπŸ‡Έ ONE-1216.86.128.0/20 old skyriver
NSfk1-z6-ib-internet.northwesternmutual.com ⭐ ⚠️ Not in parent delegation
A216.20.176.228πŸ‡ΊπŸ‡Έ AS26787216.20.176.0/21 first half of 216.20.176.0/20 IP space
PTRfk1-z6-ib-internet.northwesternmutual.com
PTRns1.northwesternmutual.com
NSdc1-ext-ddi-01a.nml.com ⚠️ Not in parent delegation
A216.20.184.10πŸ‡ΊπŸ‡Έ AS26787216.20.184.0/24 first subnet in the 2nd half of 216.20.176.0/20 (216.20.184.0/21) owned IP space
NSmkn-z3-ib-internet.northwesternmutual.com ⚠️ Not in parent delegation
A216.20.179.228πŸ‡ΊπŸ‡Έ AS26787216.20.176.0/21 first half of 216.20.176.0/20 IP space
PTRmkn-z3-ib-internet.northwesternmutual.com
PTRns2.northwesternmutual.com
NSns1.northwesternmutual.com ⚠️ Not in zone NS records
A216.20.176.228πŸ‡ΊπŸ‡Έ AS26787216.20.176.0/21 first half of 216.20.176.0/20 IP space
PTRfk1-z6-ib-internet.northwesternmutual.com
PTRns1.northwesternmutual.com
NSns2.northwesternmutual.com ⚠️ Not in zone NS records
A216.20.179.228πŸ‡ΊπŸ‡Έ AS26787216.20.176.0/21 first half of 216.20.176.0/20 IP space
PTRmkn-z3-ib-internet.northwesternmutual.com
PTRns2.northwesternmutual.com
NSns3.northwesternmutual.com ⚠️ Not in parent delegation
NSns4.northwesternmutual.com ⚠️ Not in parent delegation
NSns6.northwesternmutual.com ⚠️ Not in zone NS records
A216.20.184.10πŸ‡ΊπŸ‡Έ AS26787216.20.184.0/24 first subnet in the 2nd half of 216.20.176.0/20 (216.20.184.0/21) owned IP space
TXTv=spf1 -all
SOAfk1-z6-ib-internet.northwesternmutual.complease_set_email@absolutely.nowhere serial=33

com

Same first word

DNS History

13 records (9 active, 4 former)

20162017201820192020202120222023202420252026NSdc1-ext-ddi-01a.nml.comfk1-z6-ib-internet.northwesternmutual.commkn-z3-ib-internet.northwesternmutual.comns1.northwesternmutual.comns2.northwesternmutual.comns3.northwesternmutual.comns4.northwesternmutual.comns6.northwesternmutual.comf1-ib-gridmaster.ho.nmfco.comf1-ib-inetns.northwesternmutual.commn-ib-inetns.northwesternmutual.comnsfdp.ho.nmfco.comA216.86.138.242
●NSdc1-ext-ddi-01a.nml.com2026-03-27 β†’ 2026-03-28 Β· 3 obs
β—‹ 2020-03-03 18:49:42
● 2026-03-27 20:55:10
● 2026-03-28 04:41:32
β—‹NSf1-ib-gridmaster.ho.nmfco.com2015-12-24 β†’ 2015-12-24 Β· 4 obs
β—‹ 2015-10-12 19:59:42
● 2015-12-24 02:27:04
β—‹ 2016-03-23 16:33:48
β—‹ 2026-03-28 04:41:32
β—‹NSf1-ib-inetns.northwesternmutual.com2015-12-24 β†’ 2015-12-24 Β· 4 obs
β—‹ 2015-10-12 19:59:42
● 2015-12-24 02:27:04
β—‹ 2016-03-23 16:33:48
β—‹ 2026-03-28 04:41:32
●NSfk1-z6-ib-internet.northwesternmutual.com2016-03-23 β†’ 2026-03-28 Β· 3 obs
β—‹ 2015-12-24 02:27:04
● 2016-03-23 16:33:48
● 2026-03-28 04:41:32
●NSmkn-z3-ib-internet.northwesternmutual.com2016-03-23 β†’ 2026-03-28 Β· 3 obs
β—‹ 2015-12-24 02:27:04
● 2016-03-23 16:33:48
● 2026-03-28 04:41:32
β—‹NSmn-ib-inetns.northwesternmutual.com2015-12-24 β†’ 2015-12-24 Β· 4 obs
β—‹ 2015-10-12 19:59:42
● 2015-12-24 02:27:04
β—‹ 2016-03-23 16:33:48
β—‹ 2026-03-28 04:41:32
●NSns1.northwesternmutual.com2015-05-25 β†’ 2026-03-28 Β· 6 obs
● 2015-05-25 21:07:00
● 2015-10-12 19:59:42
β—‹ 2015-12-24 02:27:04
β—‹ 2020-03-03 18:49:42
● 2026-03-27 20:55:10
● 2026-03-28 04:41:32
●NSns2.northwesternmutual.com2015-05-25 β†’ 2026-03-28 Β· 6 obs
● 2015-05-25 21:07:00
● 2015-10-12 19:59:42
β—‹ 2015-12-24 02:27:04
β—‹ 2020-03-03 18:49:42
● 2026-03-27 20:55:10
● 2026-03-28 04:41:32
●NSns3.northwesternmutual.com2015-10-12 β†’ 2026-03-28 Β· 3 obs
β—‹ 2015-05-25 21:07:00
● 2015-10-12 19:59:42
● 2026-03-28 04:41:32
●NSns4.northwesternmutual.com2015-10-12 β†’ 2026-03-28 Β· 3 obs
β—‹ 2015-05-25 21:07:00
● 2015-10-12 19:59:42
● 2026-03-28 04:41:32
●NSns6.northwesternmutual.com2026-03-27 β†’ 2026-03-28 Β· 3 obs
β—‹ 2020-03-03 18:49:42
● 2026-03-27 20:55:10
● 2026-03-28 04:41:32
β—‹NSnsfdp.ho.nmfco.com2015-05-25 β†’ 2015-10-12 Β· 4 obs
● 2015-05-25 21:07:00
● 2015-10-12 19:59:42
β—‹ 2015-12-24 02:27:04
β—‹ 2026-03-28 04:41:32
●A216.86.138.2422015-05-25 β†’ 2026-03-28 Β· 2 obs
● 2015-05-25 21:07:00
● 2026-03-28 04:41:32

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
thomas-sullivan.comns1.northwesternmutual.com, ns2.northwesternmutual.com, ns6.northwesternmutual.com3 records

βœ… Authoritative Response

Server:216.20.179.228

NS records: ns1.northwesternmutual.com, ns2.northwesternmutual.com, ns6.northwesternmutual.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for thomas-sullivan.com (unsigned zone)

⏱️ Timing

Total: 3116ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A1216.86.138.242
NS5dc1-ext-ddi-01a.nml.com, ns3.northwesternmutual.com...
TXT1v=spf1 -all
SOA1fk1-z6-ib-internet.northwesternmutual.co

πŸ“Œ Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns1.northwesternmutual.com, ns2.northwesternmutual.com, ns6.northwesternmutual.com)

Analysis

IP Addresses

thomas-sullivan.com points to a single IP number: 216.86.138.242.

Other host names, for instance thomasdudley.com, walterquijano.com, david-greenberg.com, lisarabatin.com and hank-niles.com share IP numbers with thomas-sullivan.com.

Name Servers

thomas-sullivan.com delegates to eight name servers: dc1-ext-ddi-01a.nml.com, fk1-z6-ib-internet.northwesternmutual.com, mkn-z3-ib-internet.northwesternmutual.com, ns1.northwesternmutual.com, ns2.northwesternmutual.com, ns3.northwesternmutual.com, ns4.northwesternmutual.com and ns6.northwesternmutual.com.

thomas-sullivan.com shares name servers with other domains at least partially, for instance juliehetland.com, curtis-parry.com, davidsilver-nm.com, john-mosher.com and pat-steele.com.

Host names with one IP number:

dc1-ext-ddi-01a.nml.com points to 216.20.184.10.

fk1-z6-ib-internet.northwesternmutual.com points to 216.20.176.228.

mkn-z3-ib-internet.northwesternmutual.com points to 216.20.179.228.

ns1.northwesternmutual.com points to 216.20.176.228.

ns2.northwesternmutual.com points to 216.20.179.228.

ns6.northwesternmutual.com points to 216.20.184.10.

Host names that point to 216.20.184.10: dc1-ext-ddi-01a.nml.com and ns6.northwesternmutual.com.

Host names that point to 216.20.176.228: fk1-z6-ib-internet.northwesternmutual.com and ns1.northwesternmutual.com.

Host names that point to 216.20.179.228: mkn-z3-ib-internet.northwesternmutual.com and ns2.northwesternmutual.com.