mathnotes.org - dns.ninja

mathnotes.org

DNSSEC⚠️ Not signed
A207.55.240.14
PTRcp09.deluxehosting.com
NSns1.deluxehosting.com ⭐
A172.64.52.106🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns.deluxehosting.com ⚠️ Not in parent delegation
A172.64.52.106🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns2.deluxehosting.com
A172.64.53.190🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns3.deluxehosting.com
A172.64.52.106🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns4.deluxehosting.com ⚠️ Not in parent delegation
A172.64.53.190🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
MXmathnotes.org ⭐
A207.55.240.14
PTRcp09.deluxehosting.com
TXTv=spf1 +a +mx +ip4:207.55.240.14 +include:relay.mailchannels.net -all
SOAns.deluxehosting.comadmin@deluxehosting.com 2017-03-11 #0

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1781447193

MX for

mathnotes.org

Same first word

mathnotes.online
mathnotes.net
mathnotes.com
mathnotes.cc
mathnotes.org
mathnotes.us

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DNS History

10 records (7 active, 3 former)

20162017201820192020202120222023202420252026NSns.deluxehosting.comns1.deluxehosting.comns2.deluxehosting.comns3.deluxehosting.comns4.deluxehosting.comns.liquidweb.comns1.liquidweb.comMXmathnotes.orgA207.55.240.1467.225.205.153
●NSns.deluxehosting.com2016-12-25 → 2026-06-14 · 3 obs
○ 2016-10-18 22:11:30
● 2016-12-25 10:10:34
● 2026-06-14 14:41:36
○NSns.liquidweb.com2015-08-30 → 2016-10-18 · 4 obs
● 2015-08-30 14:02:16
● 2016-10-18 22:11:30
○ 2016-12-25 10:10:34
○ 2026-06-14 14:41:36
●NSns1.deluxehosting.com2016-12-25 → 2026-06-14 · 3 obs
○ 2016-10-18 22:11:30
● 2016-12-25 10:10:34
● 2026-06-14 14:41:36
○NSns1.liquidweb.com2015-08-30 → 2016-10-18 · 4 obs
● 2015-08-30 14:02:16
● 2016-10-18 22:11:30
○ 2016-12-25 10:10:34
○ 2026-06-14 14:41:36
●NSns2.deluxehosting.com2016-12-25 → 2026-06-14 · 3 obs
○ 2016-10-18 22:11:30
● 2016-12-25 10:10:34
● 2026-06-14 14:41:36
●NSns3.deluxehosting.com2016-12-25 → 2026-06-14 · 3 obs
○ 2016-10-18 22:11:30
● 2016-12-25 10:10:34
● 2026-06-14 14:41:36
●NSns4.deluxehosting.com2016-12-25 → 2026-06-14 · 3 obs
○ 2016-10-18 22:11:30
● 2016-12-25 10:10:34
● 2026-06-14 14:41:36
●MXmathnotes.org2015-08-30 → 2026-06-14 · 2 obs
● 2015-08-30 14:02:16
● 2026-06-14 14:41:36
●A207.55.240.142016-09-24 → 2026-06-14 · 3 obs
○ 2016-08-04 01:18:20
● 2016-09-24 06:46:26
● 2026-06-14 14:41:36
○A67.225.205.1532015-08-30 → 2016-08-04 · 4 obs
● 2015-08-30 14:02:16
● 2016-08-04 01:18:20
○ 2016-09-24 06:46:26
○ 2026-06-14 14:41:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
mathnotes.orgns1.deluxehosting.com, ns2.deluxehosting.com-

✅ Authoritative Response

Server:172.64.53.190

NS records: ns1.deluxehosting.com, ns2.deluxehosting.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathnotes.org (unsigned zone)

⏱️ Timing

Total: 459ms | Queries: -

📄 Records

TypeCountSample Data
A1207.55.240.14
NS4ns1.deluxehosting.com, ns2.deluxehosting.com...
MX1mathnotes.org (pri: 0)
TXT1v=spf1 +a +mx +ip4:207.55.240.14 +includ
SOA1ns.deluxehosting.com admin.deluxehosting

Analysis

Mail Server Role

mathnotes.org serves as a mail server for mathnotes.org.

IP Addresses

mathnotes.org has exactly one IP address — 207.55.240.14.

mathnotes.org shares its IP numbers with other host names like yorkmusicshop.com, triborovet.com and cp09.deluxehosting.com.

Name Servers

Five name servers handle delegation for mathnotes.org: ns1.deluxehosting.com, ns2.deluxehosting.com, ns3.deluxehosting.com and two others.

mathnotes.org shares at least some of its name servers with other domains, including ancestral.com, deadwhisper.com, rochesterallergy.com and two others.

These name servers are frequently seen alongside ns4.deluxehosting.com, ns.deluxehosting.com, ns1.hostpapa.com and 6 other name servers.

Host names resolving to a single IP address:

The hostname ns1.deluxehosting.com resolves to 172.64.52.106.

The hostname ns2.deluxehosting.com resolves to 172.64.53.190.

The hostname ns3.deluxehosting.com resolves to 172.64.52.106.

The hostname ns4.deluxehosting.com resolves to 172.64.53.190.

The hostname ns.deluxehosting.com resolves to 172.64.52.106.

Three host names point to 172.64.52.106: ns1.deluxehosting.com, ns3.deluxehosting.com and ns.deluxehosting.com.

ns2.deluxehosting.com along with ns4.deluxehosting.com each resolve to 172.64.53.190 IP addresses.

Mail Servers

mathnotes.org uses exactly one mail server, which is mathnotes.org.

mathnotes.org carries a single IP number, which is 207.55.240.14.