`professorchess.com`

DNSSEC	⚠️ Not signed
A	170.249.205.18^{🇺🇸 PRIVATESYSTEMS170.249.192.0/20 PrivateSystems Networks GA}
		PTR	`cluster2.kdmltd.com`
NS	`ns61.worldnic.com` ⭐
		A	162.159.26.185^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns62.worldnic.com`
		A	162.159.27.127^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`mx001.netsol.xion.oxcs.net` ⭐
		A	173.45.18.128^{🇨🇦 AMC173.45.16.0/22}
			PTR	`mx31.oxsus-vadesecure.net`
MX	`mx002.netsol.xion.oxcs.net` ⭐
		A	173.45.18.129^{🇨🇦 AMC173.45.16.0/22}
			PTR	`mx32.oxsus-vadesecure.net`
MX	`mx003.netsol.xion.oxcs.net` ⭐
		A	51.81.206.108^{🇺🇸 OVH51.81.128.0/17 Hosting route}
			PTR	`mx33.oxsus-vadesecure.net`
MX	`mx004.netsol.xion.oxcs.net` ⭐
		A	51.81.206.109^{🇺🇸 OVH51.81.128.0/17 Hosting route}
			PTR	`mx34.oxsus-vadesecure.net`
TXT	`v=spf1 a mx ip4:170.249.205.18 include:spf.cloudus.oxcs.net ~all`
SOA	`NS61.WORLDNIC.com`namehost@WORLDNIC@com serial=125012914

`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=1774553297

WOT: SAFE (64/100)

Previously MX for

professorchess.com

Subdomains

www.professorchess.com

Same first word

professorchess.com

DNS History

18 records (7 active, 11 former)

○NSa.ns.feynman.net2015-11-13 → 2018-10-03 · 5 obs

○ 2015-07-18 01:51:46
● 2015-11-13 21:40:48
● 2018-10-03 04:11:16
○ 2026-02-26 07:58:38
○ 2026-03-26 19:29:42

○NSa.ns.interland.net2007-10-31 → 2015-07-18 · 4 obs

● 2007-10-31 02:18:12
● 2015-07-18 01:51:46
○ 2015-11-13 21:40:48
○ 2026-03-26 19:29:42

○NSb.ns.feynman.net2015-11-13 → 2018-10-03 · 5 obs

○ 2015-07-18 01:51:46
● 2015-11-13 21:40:48
● 2018-10-03 04:11:16
○ 2026-02-26 07:58:38
○ 2026-03-26 19:29:42

○NSb.ns.interland.net2007-10-31 → 2015-07-18 · 4 obs

● 2007-10-31 02:18:12
● 2015-07-18 01:51:46
○ 2015-11-13 21:40:48
○ 2026-03-26 19:29:42

○NSc.ns.interland.net2007-10-31 → 2015-07-18 · 4 obs

● 2007-10-31 02:18:12
● 2015-07-18 01:51:46
○ 2015-11-13 21:40:48
○ 2026-03-26 19:29:42

●NSns61.worldnic.com2026-02-26 → 2026-03-26 · 3 obs

○ 2018-10-03 04:11:16
● 2026-02-26 07:58:38
● 2026-03-26 19:29:42

●NSns62.worldnic.com2026-02-26 → 2026-03-26 · 3 obs

○ 2018-10-03 04:11:16
● 2026-02-26 07:58:38
● 2026-03-26 19:29:42

○MXantispam.feynman.net2015-11-13 → 2018-10-03 · 5 obs

○ 2015-07-18 01:51:46
● 2015-11-13 21:40:48
● 2018-10-03 04:11:16
○ 2026-02-26 07:58:38
○ 2026-03-26 19:29:42

○MXinbound.registeredsite.com2015-07-18 → 2015-07-18 · 4 obs

○ 2007-10-31 02:18:12
● 2015-07-18 01:51:46
○ 2015-11-13 21:40:48
○ 2026-03-26 19:29:42

●MXmx001.netsol.xion.oxcs.net2026-02-26 → 2026-03-26 · 6 obs

○ 2018-10-03 04:11:16
● 2026-02-26 07:58:38
● 2026-03-14 08:51:50
○ 2026-03-14 13:57:54
● 2026-03-15 07:37:00
● 2026-03-26 19:29:42

●MXmx002.netsol.xion.oxcs.net2026-02-26 → 2026-03-26 · 6 obs

○ 2018-10-03 04:11:16
● 2026-02-26 07:58:38
● 2026-03-14 08:51:50
○ 2026-03-14 13:57:54
● 2026-03-15 07:37:00
● 2026-03-26 19:29:42

●MXmx003.netsol.xion.oxcs.net2026-02-26 → 2026-03-26 · 6 obs

○ 2018-10-03 04:11:16
● 2026-02-26 07:58:38
● 2026-03-14 08:51:50
○ 2026-03-14 13:57:54
● 2026-03-15 07:37:00
● 2026-03-26 19:29:42

●MXmx004.netsol.xion.oxcs.net2026-02-26 → 2026-03-26 · 6 obs

○ 2018-10-03 04:11:16
● 2026-02-26 07:58:38
● 2026-03-14 08:51:50
○ 2026-03-14 13:57:54
● 2026-03-15 07:37:00
● 2026-03-26 19:29:42

○MXprofessorchess.com2007-10-31 → 2007-10-31 · 3 obs

● 2007-10-31 02:18:12
○ 2015-07-18 01:51:46
○ 2026-03-26 19:29:42

●A170.249.205.182026-02-26 → 2026-03-26 · 3 obs

○ 2018-10-03 04:11:16
● 2026-02-26 07:58:38
● 2026-03-26 19:29:42

○A208.88.38.772015-11-13 → 2018-10-03 · 5 obs

○ 2015-07-18 01:51:46
● 2015-11-13 21:40:48
● 2018-10-03 04:11:16
○ 2026-02-26 07:58:38
○ 2026-03-26 19:29:42

○A209.237.150.202015-07-18 → 2015-07-18 · 4 obs

○ 2007-10-31 02:18:12
● 2015-07-18 01:51:46
○ 2015-11-13 21:40:48
○ 2026-03-26 19:29:42

○A216.122.59.1192007-10-31 → 2007-10-31 · 3 obs

● 2007-10-31 02:18:12
○ 2015-07-18 01:51:46
○ 2026-03-26 19:29:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
professorchess.com	ns61.worldnic.com, ns62.worldnic.com	2 records

✅ Authoritative Response

Server:162.159.27.127

NS records: ns61.worldnic.com, ns62.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for professorchess.com (unsigned zone)

⏱️ Timing

Total: 233ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`170.249.205.18`
NS	2	`ns61.worldnic.com, ns62.worldnic.com`
MX	4	`mx003.netsol.xion.oxcs.net (pri: 10), mx004.netsol.xion.oxcs.net (pri: 10)...`
TXT	1	`v=spf1 a mx ip4:170.249.205.18 include:s`
SOA	1	`NS61.WORLDNIC.com namehost@WORLDNIC.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns61.worldnic.com, ns62.worldnic.com)

Analysis

Hierarchy

professorchess.com is the parent of www.professorchess.com.

IP Addresses

professorchess.com resolves to a single IP: 170.249.205.18.

Other host names including raticator.com, mail.prayerheals.us and www.professorchess.com share IP numbers with professorchess.com.

Name Servers

professorchess.com has two name servers: ns61.worldnic.com and ns62.worldnic.com.

professorchess.com shares the same name server setup as other domains, for example bedcomobility.com, dianaburgin.com, coatesville.org, aberet.com and nuevaeralab.com.

Host names with a single IP:

ns61.worldnic.com points to 162.159.26.185

ns62.worldnic.com points to 162.159.27.127

Mail Servers

professorchess.com is handled by four mail servers: mx001.netsol.xion.oxcs.net, mx002.netsol.xion.oxcs.net, mx003.netsol.xion.oxcs.net and mx004.netsol.xion.oxcs.net.

professorchess.com shares some mail servers with other domains, at least partially; for instance moranship.com, bikramyogarockville.com, veminc.net, high-trees.com and higbie.net.

Host names with a single IP

mx001.netsol.xion.oxcs.net resolves to 173.45.18.128

mx002.netsol.xion.oxcs.net resolves to 173.45.18.129

mx003.netsol.xion.oxcs.net resolves to 51.81.206.108

mx004.netsol.xion.oxcs.net resolves to 51.81.206.109

professorchess.com - robtex.com