thomas-sullivan.com - robtex.com
thomas-sullivan.com
| DNSSEC | β οΈ Not signed | ||||||
| A | 216.86.138.242πΊπΈ ONE-1216.86.128.0/20 old skyriver | ||||||
| NS | fk1-z6-ib-internet.northwesternmutual.com β β οΈ Not in parent delegation | ||||||
| A | 216.20.176.228πΊπΈ AS26787216.20.176.0/21 first half of 216.20.176.0/20 IP space | ||||||
| PTR | fk1-z6-ib-internet.northwesternmutual.com | ||||||
| PTR | ns1.northwesternmutual.com | ||||||
| NS | dc1-ext-ddi-01a.nml.com β οΈ Not in parent delegation | ||||||
| A | 216.20.184.10πΊπΈ 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 | ||||||
| NS | mkn-z3-ib-internet.northwesternmutual.com β οΈ Not in parent delegation | ||||||
| A | 216.20.179.228πΊπΈ AS26787216.20.176.0/21 first half of 216.20.176.0/20 IP space | ||||||
| PTR | mkn-z3-ib-internet.northwesternmutual.com | ||||||
| PTR | ns2.northwesternmutual.com | ||||||
| NS | ns1.northwesternmutual.com β οΈ Not in zone NS records | ||||||
| A | 216.20.176.228πΊπΈ AS26787216.20.176.0/21 first half of 216.20.176.0/20 IP space | ||||||
| PTR | fk1-z6-ib-internet.northwesternmutual.com | ||||||
| PTR | ns1.northwesternmutual.com | ||||||
| NS | ns2.northwesternmutual.com β οΈ Not in zone NS records | ||||||
| A | 216.20.179.228πΊπΈ AS26787216.20.176.0/21 first half of 216.20.176.0/20 IP space | ||||||
| PTR | mkn-z3-ib-internet.northwesternmutual.com | ||||||
| PTR | ns2.northwesternmutual.com | ||||||
| NS | ns3.northwesternmutual.com β οΈ Not in parent delegation | ||||||
| NS | ns4.northwesternmutual.com β οΈ Not in parent delegation | ||||||
| NS | ns6.northwesternmutual.com β οΈ Not in zone NS records | ||||||
| A | 216.20.184.10πΊπΈ 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 | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | fk1-z6-ib-internet.northwesternmutual.complease_set_email@absolutely.nowhere serial=33 | ||||||
com
| DNSSEC | π Signed (DS record present) | ||||||
| NS | a.gtld-servers.net β | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774671492 | ||||||
Same first word
thomas-sullivan.com |
DNS History
13 records (9 active, 4 former)
βNSdc1-ext-ddi-01a.nml.com2026-03-27 β 2026-03-28 Β· 3 obs
β 2026-03-27 20:55:10
β 2026-03-28 04:41:32
βNSf1-ib-gridmaster.ho.nmfco.com2015-12-24 β 2015-12-24 Β· 4 obs
β 2015-12-24 02:27:04
β 2016-03-23 16:33:48
β 2026-03-28 04:41:32
βNSf1-ib-inetns.northwesternmutual.com2015-12-24 β 2015-12-24 Β· 4 obs
β 2015-12-24 02:27:04
β 2016-03-23 16:33:48
β 2026-03-28 04:41:32
βNSfk1-z6-ib-internet.northwesternmutual.com2016-03-23 β 2026-03-28 Β· 3 obs
β 2016-03-23 16:33:48
β 2026-03-28 04:41:32
βNSmkn-z3-ib-internet.northwesternmutual.com2016-03-23 β 2026-03-28 Β· 3 obs
β 2016-03-23 16:33:48
β 2026-03-28 04:41:32
βNSmn-ib-inetns.northwesternmutual.com2015-12-24 β 2015-12-24 Β· 4 obs
β 2015-12-24 02:27:04
β 2016-03-23 16:33:48
β 2026-03-28 04:41:32
βNSns1.northwesternmutual.com2015-05-25 β 2026-03-28 Β· 6 obs
β 2015-10-12 19:59:42
β 2015-12-24 02:27:04
β 2020-03-03 18:49:42
β 2026-03-27 20:55:10
β 2026-03-28 04:41:32
βNSns2.northwesternmutual.com2015-05-25 β 2026-03-28 Β· 6 obs
β 2015-10-12 19:59:42
β 2015-12-24 02:27:04
β 2020-03-03 18:49:42
β 2026-03-27 20:55:10
β 2026-03-28 04:41:32
βNSns3.northwesternmutual.com2015-10-12 β 2026-03-28 Β· 3 obs
β 2015-10-12 19:59:42
β 2026-03-28 04:41:32
βNSns4.northwesternmutual.com2015-10-12 β 2026-03-28 Β· 3 obs
β 2015-10-12 19:59:42
β 2026-03-28 04:41:32
βNSns6.northwesternmutual.com2026-03-27 β 2026-03-28 Β· 3 obs
β 2026-03-27 20:55:10
β 2026-03-28 04:41:32
βNSnsfdp.ho.nmfco.com2015-05-25 β 2015-10-12 Β· 4 obs
β 2015-10-12 19:59:42
β 2015-12-24 02:27:04
β 2026-03-28 04:41:32
βA216.86.138.2422015-05-25 β 2026-03-28 Β· 2 obs
β 2026-03-28 04:41:32
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| thomas-sullivan.com | ns1.northwesternmutual.com, ns2.northwesternmutual.com, ns6.northwesternmutual.com | 3 records |
β Authoritative Response
Server:216.20.179.228
NS records: ns1.northwesternmutual.com, ns2.northwesternmutual.com, ns6.northwesternmutual.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for thomas-sullivan.com (unsigned zone)
β±οΈ Timing
Total: 3116ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.86.138.242 |
| NS | 5 | dc1-ext-ddi-01a.nml.com, ns3.northwesternmutual.com... |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | fk1-z6-ib-internet.northwesternmutual.co |
π 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.