`sullivanarch.com`

DNSSEC	⚠️ Not signed
A	216.187.8.11^{🇺🇸 AS11579216.187.0.0/18 LANline Communications, Inc. 65 Court St. STE 32 White Plains, NY 10601 US}
		PTR	`sullivanarch.com`
NS	`ns.lanline.com` ⭐
		A	216.187.0.20^{🇺🇸 AS11579216.187.0.0/18 LANline Communications, Inc. 65 Court St. STE 32 White Plains, NY 10601 US}
			PTR	`ns.lanline.com`
NS	`ns1.lanline.com`
		A	216.187.0.21^{🇺🇸 AS11579216.187.0.0/18 LANline Communications, Inc. 65 Court St. STE 32 White Plains, NY 10601 US}
			PTR	`admin.lanline.com`
			PTR	`ns1.lanline.com`
			PTR	`www4.lanline.com`
		A	216.187.1.21^{🇺🇸 AS11579216.187.0.0/18 LANline Communications, Inc. 65 Court St. STE 32 White Plains, NY 10601 US}
			PTR	`ns2.lanline.com`
MX	`sullivanarch-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c931::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sa9pr03cu00201.inbound.protection.outlook.com`
		A	2a01:111:f403:c936::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-cy1pr05cu00400.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch0pr04cu00603.inbound.protection.outlook.com`
		A	2a01:111:f403:f802::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj2pr05cu00202.inbound.protection.outlook.com`
		A	52.101.10.14^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn6pr04cu00206.inbound.protection.outlook.com`
		A	52.101.10.16^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn6pr21cu00500.inbound.protection.outlook.com`
		A	52.101.11.13^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr0501cu00205.inbound.protection.outlook.com`
		A	52.101.194.3^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch1pr04cu00103.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`MS=ms96785549`
SOA	`ns1.lanline.com`hostmaster@lanline.com serial=20251211

`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=1774431112

PTR for

11.8.187.216.in-addr.arpa

Previously NS for

sullivanarch.com

Subdomains

www.sullivanarch.com

mail.sullivanarch.com

Same first word

sullivanarch.com

DNS History

14 records (4 active, 10 former)

○NSns.computer.net2007-10-28 → 2017-06-24 · 4 obs

● 2007-10-28 07:54:40
● 2017-06-24 21:15:28
○ 2026-03-17 23:20:44
○ 2026-03-25 09:40:52

●NSns.lanline.com2026-03-17 → 2026-03-25 · 3 obs

○ 2017-06-24 21:15:28
● 2026-03-17 23:20:44
● 2026-03-25 09:40:52

●NSns1.lanline.com2026-03-17 → 2026-03-25 · 3 obs

○ 2017-06-24 21:15:28
● 2026-03-17 23:20:44
● 2026-03-25 09:40:52

○NSns2.computer.net2007-10-28 → 2017-06-24 · 4 obs

● 2007-10-28 07:54:40
● 2017-06-24 21:15:28
○ 2026-03-17 23:20:44
○ 2026-03-25 09:40:52

○NSns3.computer.net2007-10-28 → 2017-06-24 · 4 obs

● 2007-10-28 07:54:40
● 2017-06-24 21:15:28
○ 2026-03-17 23:20:44
○ 2026-03-25 09:40:52

○NSsullivanarch.com2015-07-02 → 2017-06-24 · 5 obs

○ 2007-10-28 07:54:40
● 2015-07-02 08:03:22
● 2017-06-24 21:15:28
○ 2026-03-17 23:20:44
○ 2026-03-25 09:40:52

●MXsullivanarch-com.mail.protection.outlook.com2015-07-02 → 2026-03-25 · 3 obs

○ 2007-10-28 07:54:40
● 2015-07-02 08:03:22
● 2026-03-25 09:40:52

○MXsullivanarch.com.s8a1.psmtp.com2007-10-28 → 2007-10-28 · 3 obs

● 2007-10-28 07:54:40
○ 2015-07-02 08:03:22
○ 2026-03-25 09:40:52

○MXsullivanarch.com.s8a2.psmtp.com2007-10-28 → 2007-10-28 · 3 obs

● 2007-10-28 07:54:40
○ 2015-07-02 08:03:22
○ 2026-03-25 09:40:52

○MXsullivanarch.com.s8b1.psmtp.com2007-10-28 → 2007-10-28 · 3 obs

● 2007-10-28 07:54:40
○ 2015-07-02 08:03:22
○ 2026-03-25 09:40:52

○MXsullivanarch.com.s8b2.psmtp.com2007-10-28 → 2007-10-28 · 3 obs

● 2007-10-28 07:54:40
○ 2015-07-02 08:03:22
○ 2026-03-25 09:40:52

○A207.50.193.1042007-10-28 → 2007-10-28 · 3 obs

● 2007-10-28 07:54:40
○ 2015-07-02 08:03:22
○ 2026-03-25 09:40:52

●A216.187.8.112026-03-17 → 2026-03-25 · 3 obs

○ 2017-06-24 21:15:28
● 2026-03-17 23:20:44
● 2026-03-25 09:40:52

○A216.187.8.1992015-07-02 → 2017-06-24 · 5 obs

○ 2007-10-28 07:54:40
● 2015-07-02 08:03:22
● 2017-06-24 21:15:28
○ 2026-03-17 23:20:44
○ 2026-03-25 09:40:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
sullivanarch.com	ns.lanline.com, ns1.lanline.com	2 records

✅ Authoritative Response

Server:216.187.1.21

NS records: ns.lanline.com, ns1.lanline.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sullivanarch.com (unsigned zone)

⏱️ Timing

Total: 105ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`216.187.8.11`
NS	2	`ns.lanline.com, ns1.lanline.com`
MX	1	`sullivanarch-com.mail.protection.outlook`
TXT	2	`MS=ms96785549, v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns1.lanline.com hostmaster.lanline.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.lanline.com, ns1.lanline.com)

Analysis

Hierarchy

sullivanarch.com is a parent of www.sullivanarch.com and mail.sullivanarch.com.

IP Addresses

sullivanarch.com points to IP number 216.187.8.11.

Other host names, for instance, www.sullivanarch.com share IP numbers with sullivanarch.com.

Name Servers

sullivanarch.com is delegated to two name servers: ns1.lanline.com and ns.lanline.com.

sullivanarch.com uses the same name server setup as other domains such as 11.187.216.in-addr.arpa, avpbusiness.com, pscpasllp.com, phsconsult.com and tax-power.com.

sullivanarch.com shares name servers with other domains at least partially, for example 26.187.216.in-addr.arpa, med-malpractice.com, lanline.com, 30.187.216.in-addr.arpa and computer.net.

These name servers are often used together with the name servers ns2.cw.net, ns2.lanline.com, ns2.computer.net, ns3.computer.net and ns.computer.net.

Host names with two IP numbers:

The host name ns1.lanline.com points to 216.187.0.21 and 216.187.1.21.

Host names with one IP number:

The host name ns.lanline.com points to 216.187.0.20.

Mail Servers

sullivanarch.com is handled by a single mail server, sullivanarch-com.mail.protection.outlook.com.

Host name sullivanarch-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c931::1, 2a01:111:f403:c936::, 2a01:111:f403:c946::3, 2a01:111:f403:f802::2, 52.101.10.14, 52.101.10.16, 52.101.11.13 and 52.101.194.3.

sullivanarch.com - robtex.com