mathtalk.com - dns.ninja

`mathtalk.com`

DNSSEC	⚠️ Not signed
A	208.91.197.27^{🇻🇬 CONFLUENCE-NETWORK-INC208.91.197.0/24 Confluence Networks Route Object}
NS	`ns43.worldnic.com` ⭐
		A	162.159.26.111^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns44.worldnic.com`
		A	162.159.27.50^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`mathtalk-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c801::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sn1pr0501cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:c91d::a^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-co1pr21cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:c931::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sn1pr02cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:f905::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm5pr02cu00203.inbound.protection.outlook.com`
		A	52.101.9.11^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl2pr04cu00103.inbound.protection.outlook.com`
		A	52.101.11.19^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sa9pr04cu00203.inbound.protection.outlook.com`
		A	52.101.40.4^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy5pr03cu00204.inbound.protection.outlook.com`
		A	52.101.50.7^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-co1pr21cu00207.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`NS43.WORLDNIC.com`namehost@WORLDNIC.com serial=122072911

`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=1783092141

Previously MX for

mathtalk.com

mail.mathtalk.com

www.mathtalk.com

Subdomains

mail.mathtalk.com

www.mathtalk.com

Same first word

mathtalk.org

mathtalk.com

Similar names

talkmath.org

mattkahl.com

talkmath.com

DNS History

8 records (4 active, 4 former)

○NSns1.newworldhosting.com2015-07-21 → 2017-02-20 · 4 obs

● 2015-07-21 15:09:16
● 2017-02-20 01:39:18
○ 2026-04-09 05:29:16
○ 2026-07-03 15:31:04

○NSns2.newworldhosting.com2015-07-21 → 2017-02-20 · 4 obs

● 2015-07-21 15:09:16
● 2017-02-20 01:39:18
○ 2026-04-09 05:29:16
○ 2026-07-03 15:31:04

●NSns43.worldnic.com2026-04-09 → 2026-07-03 · 3 obs

○ 2017-02-20 01:39:18
● 2026-04-09 05:29:16
● 2026-07-03 15:31:04

●NSns44.worldnic.com2026-04-09 → 2026-07-03 · 3 obs

○ 2017-02-20 01:39:18
● 2026-04-09 05:29:16
● 2026-07-03 15:31:04

●MXmathtalk-com.mail.protection.outlook.com2026-04-09 → 2026-07-03 · 3 obs

○ 2017-02-20 01:39:18
● 2026-04-09 05:29:16
● 2026-07-03 15:31:04

○MXmathtalk.com2015-07-21 → 2017-02-20 · 4 obs

● 2015-07-21 15:09:16
● 2017-02-20 01:39:18
○ 2026-04-09 05:29:16
○ 2026-07-03 15:31:04

●A208.91.197.272026-04-09 → 2026-07-03 · 3 obs

○ 2017-02-20 01:39:18
● 2026-04-09 05:29:16
● 2026-07-03 15:31:04

○A69.167.158.972015-07-21 → 2017-02-20 · 4 obs

● 2015-07-21 15:09:16
● 2017-02-20 01:39:18
○ 2026-04-09 05:29:16
○ 2026-07-03 15:31:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, j.gtld-servers.net, d.gtld-servers.net, a.gtld-servers.net...	-
mathtalk.com	ns43.worldnic.com, ns44.worldnic.com	2 records

✅ Authoritative Response

Server:162.159.26.111

NS records: ns43.worldnic.com, ns44.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathtalk.com (unsigned zone)

⏱️ Timing

Total: 229ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`208.91.197.27`
NS	2	`ns44.worldnic.com, ns43.worldnic.com`
MX	1	`mathtalk-com.mail.protection.outlook.com`
TXT	1	`v=spf1 include:spf.protection.outlook.co`
SOA	1	`NS43.WORLDNIC.com namehost.WORLDNIC.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns43.worldnic.com, ns44.worldnic.com)

Analysis

Hierarchy

mathtalk.com is the parent domain of mail.mathtalk.com and www.mathtalk.com.

IP Addresses

mathtalk.com points to a single IP number: 208.91.197.27.

Additional host names — gpfcu.org, pm-j.com, pilotone9travelcenters.info and two others — share IP numbers with mathtalk.com.

Name Servers

mathtalk.com has two authoritative name servers — ns43.worldnic.com and ns44.worldnic.com.

mathtalk.com shares its name server setup with other domains, including pedco.com, weatherdaily.org, stopcopy.com and two others.

The name servers for mathtalk.com overlap at least partially with those of other domains — for example banfieldcomplaints.org.

ns43.worldnic.com → 162.159.26.111 and ns44.worldnic.com → 162.159.27.50: one IP number per host name.

Mail Servers

mathtalk.com has one mail server: mathtalk-com.mail.protection.outlook.com.

mathtalk-com.mail.protection.outlook.com points to 8 IP numbers: 52.101.9.11, 52.101.11.19, 52.101.40.4 and 5 other.