nulltheory.com - dns.ninja

`nulltheory.com`

DNSSEC	⚠️ Not signed
A	192.3.86.22^{🇺🇸 COLOCROSSING192.3.86.0/24 325 Delaware Avenue Suite 300 Buffalo NY 14202 United States}
		PTR	`192-3-86-22-host.colocrossing.com`
NS	`kay.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a7d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kay.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c07d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kay.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:207d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kay.ns.cloudflare.com`
		A	108.162.192.125^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kay.ns.cloudflare.com`
		A	172.64.32.125^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kay.ns.cloudflare.com`
		A	173.245.58.125^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kay.ns.cloudflare.com`
NS	`woz.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b96^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`woz.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c196^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`woz.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2196^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`woz.ns.cloudflare.com`
		A	108.162.193.150^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`woz.ns.cloudflare.com`
		A	172.64.33.150^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`woz.ns.cloudflare.com`
		A	173.245.59.150^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`woz.ns.cloudflare.com`
MX	`chocobo-relay.mxrouting.net` ⭐
		A	45.43.208.51^{🇺🇸 QUICKPACKET45.43.208.0/24 QuickPacket LLC}
MX	`chocobo.mxrouting.net`⁽²⁰⁾
		A	45.43.208.51^{🇺🇸 QUICKPACKET45.43.208.0/24 QuickPacket LLC}
TXT	`v=spf1 include:mxroute.com -all`
SOA	`kay.ns.cloudflare.com`dns@cloudflare.com serial=2409820107

`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=1785096242

Previously MX for

nulltheory.com

Subdomains

mail2.nulltheory.com

Same first word

nulltheory.com

Similar names

luthornely.com

DNS History

21 records (5 active, 16 former)

●NSkay.ns.cloudflare.com2015-07-06 → 2026-07-26 · 2 obs

● 2015-07-06 18:56:40
● 2026-07-26 20:27:16

●NSwoz.ns.cloudflare.com2015-07-06 → 2026-07-26 · 2 obs

● 2015-07-06 18:56:40
● 2026-07-26 20:27:16

●MXchocobo-relay.mxrouting.net2026-05-28 → 2026-07-26 · 3 obs

○ 2016-11-24 04:31:06
● 2026-05-28 15:33:26
● 2026-07-26 20:27:16

●MXchocobo.mxrouting.net2026-05-28 → 2026-07-26 · 3 obs

○ 2016-11-24 04:31:06
● 2026-05-28 15:33:26
● 2026-07-26 20:27:16

○MXmail2.nulltheory.com2026-05-28 → 2026-07-26 · 2 obs

○ 2026-05-28 15:33:26
○ 2026-07-26 20:27:16

○MXnulltheory.com2015-07-06 → 2016-11-24 · 4 obs

● 2015-07-06 18:56:40
● 2016-11-24 04:31:06
○ 2026-05-28 15:33:26
○ 2026-07-26 20:27:16

○A107.20.255.1522015-07-06 → 2015-07-06 · 3 obs

● 2015-07-06 18:56:40
○ 2015-11-08 11:09:04
○ 2026-07-26 20:27:16

○A107.21.92.1762015-11-08 → 2015-11-08 · 4 obs

○ 2015-07-06 18:56:40
● 2015-11-08 11:09:04
○ 2016-01-22 15:53:42
○ 2026-07-26 20:27:16

○A174.129.192.572016-04-05 → 2016-04-05 · 4 obs

○ 2016-01-22 15:53:42
● 2016-04-05 11:03:12
○ 2016-09-25 00:53:10
○ 2026-07-26 20:27:16

○A174.129.220.2432016-01-22 → 2016-01-22 · 4 obs

○ 2015-11-08 11:09:04
● 2016-01-22 15:53:42
○ 2016-04-05 11:03:12
○ 2026-07-26 20:27:16

●A192.3.86.222026-05-28 → 2026-07-26 · 3 obs

○ 2016-11-24 04:31:06
● 2026-05-28 15:33:26
● 2026-07-26 20:27:16

○A23.21.161.1482015-07-06 → 2015-07-06 · 3 obs

● 2015-07-06 18:56:40
○ 2026-05-28 15:33:26
○ 2026-07-26 20:27:16

○A23.21.197.1442015-07-06 → 2015-07-06 · 3 obs

● 2015-07-06 18:56:40
○ 2026-05-28 15:33:26
○ 2026-07-26 20:27:16

○A50.16.227.2142015-07-06 → 2015-07-06 · 3 obs

● 2015-07-06 18:56:40
○ 2026-05-28 15:33:26
○ 2026-07-26 20:27:16

○A50.17.254.1882015-07-06 → 2015-07-06 · 3 obs

● 2015-07-06 18:56:40
○ 2026-05-28 15:33:26
○ 2026-07-26 20:27:16

○A54.225.255.2472015-07-06 → 2015-07-06 · 3 obs

● 2015-07-06 18:56:40
○ 2026-05-28 15:33:26
○ 2026-07-26 20:27:16

○A54.225.69.1462015-07-06 → 2015-07-06 · 3 obs

● 2015-07-06 18:56:40
○ 2026-05-28 15:33:26
○ 2026-07-26 20:27:16

○A54.227.237.1562016-09-25 → 2016-09-25 · 4 obs

○ 2016-04-05 11:03:12
● 2016-09-25 00:53:10
○ 2016-11-24 04:31:06
○ 2026-07-26 20:27:16

○A54.235.114.2102015-07-06 → 2015-07-06 · 3 obs

● 2015-07-06 18:56:40
○ 2026-05-28 15:33:26
○ 2026-07-26 20:27:16

○A54.243.37.1922015-07-06 → 2015-07-06 · 3 obs

● 2015-07-06 18:56:40
○ 2026-05-28 15:33:26
○ 2026-07-26 20:27:16

○A54.243.68.2402016-11-24 → 2016-11-24 · 4 obs

○ 2016-09-25 00:53:10
● 2016-11-24 04:31:06
○ 2026-05-28 15:33:26
○ 2026-07-26 20:27:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, i.gtld-servers.net, d.gtld-servers.net, g.gtld-servers.net...	-
nulltheory.com	kay.ns.cloudflare.com, woz.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.150

NS records: kay.ns.cloudflare.com, woz.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for nulltheory.com (unsigned zone)

⏱️ Timing

Total: 144ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`192.3.86.22`
NS	2	`kay.ns.cloudflare.com, woz.ns.cloudflare.com`
MX	2	`chocobo.mxrouting.net (pri: 10), chocobo-relay.mxrouting.net (pri: 20)`
TXT	1	`v=spf1 include:mxroute.com -all`
SOA	1	`kay.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (kay.ns.cloudflare.com, kay.ns.cloudflare.com, kay.ns.cloudflare.com...)

Analysis

Hierarchy

nulltheory.com is a parent domain of mail2.nulltheory.com.

IP Addresses

nulltheory.com resolves to just one IP address, 192.3.86.22.

Two other host names, along with stevenwilkin.co.uk, professionalcoffeedrinker.com and stevenwilkin.com, also share IP numbers with nulltheory.com.

Name Servers

nulltheory.com uses two name servers for its delegation: kay.ns.cloudflare.com and woz.ns.cloudflare.com.

nulltheory.com shares its NS records with other domains, for example vivenicaragua.com, southfamilydental.com, no-way.wtf and two others.

nulltheory.com shares at least some of its name servers with other domains, including leadpointdigital.com, tinkol.com, cyberstreetwise.com and two others.

These name servers are frequently paired with the name servers trevor.ns.cloudflare.com and abby.ns.cloudflare.com.

DNS names with 6 IP addresses:

Hostname kay.ns.cloudflare.com directs to 108.162.192.125, 172.64.32.125 and 173.245.58.125 along with 3 other IP addresses.

Hostname woz.ns.cloudflare.com directs to 108.162.193.150, 172.64.33.150 and 173.245.59.150 along with 3 other IP addresses.

Mail Servers

nulltheory.com is served by two mail servers, chocobo-relay.mxrouting.net and chocobo.mxrouting.net.

Among the domains sharing a mail server setup with nulltheory.com are pebblemill.co.nz, motelzapt.com.br, atlasuk.net and two others.

nulltheory.com shares at least some of its mail servers with other domains, such as professionaloptions.com and ojha.net.

chocobo-relay.mxrouting.net resolves to 45.43.208.51; chocobo.mxrouting.net resolves to the same IP address, 45.43.208.51.

Both chocobo-relay.mxrouting.net and chocobo.mxrouting.net resolve to 45.43.208.51 IP addresses each.