`ibunderwriters.com`

DNSSEC	⚠️ Not signed
A	209.17.116.160^{🇺🇸 Jacksonville209.17.116.0/24 5335 Gate Parkway Jacksonville FL 32256 United States}
NS	`dns103.register.com` ⭐
		A	162.159.24.117^{Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`dns104.register.com`
		A	162.159.25.158^{Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`ibunderwriters-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c902::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj2pr05cu00300.inbound.protection.outlook.com`
		A	2a01:111:f403:c902::14^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-byapr04cu00204.inbound.protection.outlook.com`
		A	2a01:111:f403:c91d::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-mw2pr04cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:f802::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-byapr05cu00400.inbound.protection.outlook.com`
		A	52.101.41.3^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj2pr05cu00103.inbound.protection.outlook.com`
		A	52.101.50.4^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-co1pr03cu00404.inbound.protection.outlook.com`
		A	52.101.194.3^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch1pr04cu00103.inbound.protection.outlook.com`
		A	52.101.194.13^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch0pr04cu00605.inbound.protection.outlook.com`
MX	`ns1.bdm.microsoftonline.com` ⭐
		A	2603:1061:0:700::d0^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-208.azure-dns.com`
		A	13.107.236.208^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns1-208.azure-dns.com`
MX	`ns2.bdm.microsoftonline.com` ⭐
		A	2620:1ec:8ec:700::d0^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-208.azure-dns.net`
		A	150.171.21.208^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-208.azure-dns.net`
MX	`ns3.bdm.microsoftonline.com` ⭐
		A	2a01:111:4000:700::d0^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-208.azure-dns.org`
		A	204.14.183.208^{🇺🇸 Microsoft204.14.180.0/22}
			PTR	`ns3-208.azure-dns.org`
MX	`ns4.bdm.microsoftonline.com` ⭐
		A	2620:1ec:bda:700::d0^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-208.azure-dns.info`
		A	208.84.5.208^{🇺🇸 Microsoft208.84.0.0/21 MICROSOFT}
			PTR	`ns4-208.azure-dns.info`
TXT	`MS=ms54689006`
TXT	`v=spf1 a include:spf.protection.outlook.com include:spf.spamservice.nl -all`
SOA	`DNS103.REGISTER.com`root@REGISTER.com serial=126012404

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	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.net`nstld@verisign-grs.com serial=1774781577

Same first word

ibunderwriters.com

DNS History

14 records (8 active, 6 former)

●NSdns103.register.com2026-03-21 → 2026-03-29 · 3 obs

○ 2019-12-16 20:35:36
● 2026-03-21 14:06:40
● 2026-03-29 11:06:28

●NSdns104.register.com2026-03-21 → 2026-03-29 · 3 obs

○ 2019-12-16 20:35:36
● 2026-03-21 14:06:40
● 2026-03-29 11:06:28

○NSns1.bdm.microsoftonline.com2019-12-16 → 2019-12-16 · 3 obs

● 2019-12-16 20:35:36
○ 2026-03-21 14:06:40
○ 2026-03-29 11:06:28

○NSns2.bdm.microsoftonline.com2019-12-16 → 2019-12-16 · 3 obs

● 2019-12-16 20:35:36
○ 2026-03-21 14:06:40
○ 2026-03-29 11:06:28

○NSns3.bdm.microsoftonline.com2019-12-16 → 2019-12-16 · 3 obs

● 2019-12-16 20:35:36
○ 2026-03-21 14:06:40
○ 2026-03-29 11:06:28

○NSns4.bdm.microsoftonline.com2019-12-16 → 2019-12-16 · 3 obs

● 2019-12-16 20:35:36
○ 2026-03-21 14:06:40
○ 2026-03-29 11:06:28

●MXibunderwriters-com.mail.protection.outlook.com2019-12-16 → 2026-03-29 · 2 obs

● 2019-12-16 20:35:36
● 2026-03-29 11:06:28

●MXns1.bdm.microsoftonline.com2026-03-21 → 2026-03-29 · 3 obs

○ 2019-12-16 20:35:36
● 2026-03-21 14:06:40
● 2026-03-29 11:06:28

●MXns2.bdm.microsoftonline.com2026-03-21 → 2026-03-29 · 3 obs

○ 2019-12-16 20:35:36
● 2026-03-21 14:06:40
● 2026-03-29 11:06:28

●MXns3.bdm.microsoftonline.com2026-03-21 → 2026-03-29 · 3 obs

○ 2019-12-16 20:35:36
● 2026-03-21 14:06:40
● 2026-03-29 11:06:28

●MXns4.bdm.microsoftonline.com2026-03-21 → 2026-03-29 · 3 obs

○ 2019-12-16 20:35:36
● 2026-03-21 14:06:40
● 2026-03-29 11:06:28

○A2001:1460:1:0:1c00:c5ff:fe00:ff2019-12-16 → 2019-12-16 · 3 obs

● 2019-12-16 20:35:36
○ 2026-03-21 14:06:40
○ 2026-03-29 11:06:28

●A209.17.116.1602026-03-21 → 2026-03-29 · 3 obs

○ 2019-12-16 20:35:36
● 2026-03-21 14:06:40
● 2026-03-29 11:06:28

○A62.221.208.1952019-12-16 → 2019-12-16 · 3 obs

● 2019-12-16 20:35:36
○ 2026-03-21 14:06:40
○ 2026-03-29 11:06:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net...	-
ibunderwriters.com	dns103.register.com, dns104.register.com	2 records

✅ Authoritative Response

Server:162.159.25.158

NS records: dns103.register.com, dns104.register.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ibunderwriters.com (unsigned zone)

⏱️ Timing

Total: 310ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`209.17.116.160`
NS	2	`dns103.register.com, dns104.register.com`
MX	5	`ibunderwriters-com.mail.protection.outlo, ns2.bdm.microsoftonline.com (pri: 10)...`
TXT	2	`MS=ms54689006, v=spf1 a include:spf.protection.outlook.`
SOA	1	`DNS103.REGISTER.com root.REGISTER.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dns103.register.com, dns104.register.com)

Analysis

IP Addresses

ibunderwriters.com points to a single IP address: 209.17.116.160.

Other host names such as mskcanceralliance.org, missoulacityband.org, advanceamericacapital.com, campseymour.org and dawsonpharmacy.com share IPs with ibunderwriters.com.

Name Servers

Two name servers dns103.register.com and dns104.register.com handle the delegation for ibunderwriters.com.

ibunderwriters.com shares the same name server setup as other domains, for example ctcpps.com, unkochmycampus.org, authenticregional.com, giltcream.com and turfme.com.

ibunderwriters.com partially shares name servers with other domains, for example silentpacsolutionsbyaccurate.com and pritto.com.

These name servers are often used together with dns101.register.com and dns102.register.com.

Host names with one IP number:

dns103.register.com points to 162.159.24.117; dns104.register.com points to 162.159.25.158.

Mail Servers

ibunderwriters.com is handled by five mail servers: ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com and ibunderwriters-com.mail.protection.outlook.com.

ibunderwriters.com shares at least partially some mail servers with other domains, for instance glbcdc.com, eidec.com.co, ciprevica.org, fruitport.pt and esteshipping.com.