mathoverflow.org - robtex.com

mathoverflow.org

DNSSEC⚠️ Not signed
NSns05.domaincontrol.com ⭐
A2603:5:2160::3🇺🇸 GODADDY-DNS2603:5:2160::/44
PTRns05.domaincontrol.com
A97.74.102.3🇺🇸 GODADDY-DNS97.74.102.0/23
PTRns05.domaincontrol.com
NSns06.domaincontrol.com
A2603:5:2260::3🇺🇸 GODADDY-DNS2603:5:2260::/44
PTRns06.domaincontrol.com
A173.201.70.3🇺🇸 GODADDY-DNS173.201.70.0/23
PTRns06.domaincontrol.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c19::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbk-in-f27.1e100.net
A172.253.62.27🇺🇸 Google172.253.62.0/24
PTRbc-in-f27.1e100.net
MXalt1.aspmx.l.google.com(20)
A2607:f8b0:4003:c30::1b🇺🇸 Google2607:f8b0:4003::/48
PTRyutulis-in-f27.1e100.net
A74.125.27.26🇺🇸 Google74.125.27.0/24
PTRyutulis-in-f26.1e100.net
MXalt2.aspmx.l.google.com(20)
A2607:f8b0:4001:c70::1a🇺🇸 Google2607:f8b0:4001::/48
PTRyucbful-in-f26.1e100.net
A192.178.209.26🇺🇸 Google192.178.209.0/24
PTRyucbful-in-f26.1e100.net
MXaspmx2.googlemail.com(30)
A2607:f8b0:4023:2801::1b🇺🇸 Google2607:f8b0::/32
PTRlcausi-in-f27.1e100.net
A192.178.128.27🇺🇸 Google192.178.128.0/24
PTRlcausi-in-f27.1e100.net
MXaspmx3.googlemail.com(30)
A2607:f8b0:4023:1015::1b🇺🇸 Google2607:f8b0::/32
PTRyudfwta-in-f27.1e100.net
A172.253.135.26🇺🇸 Google172.253.135.0/24
PTRyudfwta-in-f26.1e100.net
MXaspmx4.googlemail.com(30)
A2607:f8b0:4023:3003::1b🇺🇸 Google2607:f8b0::/32
PTRyulnkjt-in-f27.1e100.net
A172.253.145.26🇺🇸 Google172.253.145.0/24
PTRyulnkjt-in-f26.1e100.net
MXaspmx5.googlemail.com(30)
A2607:f8b0:4003:c4a::1b🇺🇸 Google2607:f8b0:4003::/48
PTRyutulth-in-f27.1e100.net
A142.251.96.27🇺🇸 Google142.250.0.0/15
PTRyutulth-in-f27.1e100.net
TXTgoogle-site-verification=NJhnIsmDOisWhdcQ3Fe9AxD27yuIpGhGDhzNWiUOl5c
HTTPS0 mathoverflow.net.
SOAns05.domaincontrol.comdns@jomax.net 2023-01-02 #4

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=1773551953

Same first word

mathoverflow.org
mathoverflow.net
mathoverflow.com

DNS History

15 records (9 active, 6 former)

20162017201820192020202120222023202420252026NSns05.domaincontrol.comns06.domaincontrol.comns1.wordpress.comns2.wordpress.comns3.wordpress.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comaspmx4.googlemail.comaspmx5.googlemail.comalt3.aspmx.l.google.comA192.0.78.24192.0.78.25
●NSns05.domaincontrol.com2026-03-24 → 2026-03-24 · 2 obs
○ 2020-03-18 07:25:46
● 2026-03-24 07:32:34
●NSns06.domaincontrol.com2026-03-24 → 2026-03-24 · 2 obs
○ 2020-03-18 07:25:46
● 2026-03-24 07:32:34
○NSns1.wordpress.com2015-08-07 → 2020-03-18 · 3 obs
● 2015-08-07 06:33:46
● 2020-03-18 07:25:46
○ 2026-03-24 07:32:34
○NSns2.wordpress.com2015-08-07 → 2020-03-18 · 3 obs
● 2015-08-07 06:33:46
● 2020-03-18 07:25:46
○ 2026-03-24 07:32:34
○NSns3.wordpress.com2015-08-07 → 2020-03-18 · 3 obs
● 2015-08-07 06:33:46
● 2020-03-18 07:25:46
○ 2026-03-24 07:32:34
●MXalt1.aspmx.l.google.com2015-08-07 → 2026-03-24 · 2 obs
● 2015-08-07 06:33:46
● 2026-03-24 07:32:34
●MXalt2.aspmx.l.google.com2015-08-07 → 2026-03-24 · 2 obs
● 2015-08-07 06:33:46
● 2026-03-24 07:32:34
○MXalt3.aspmx.l.google.com2015-08-07 → 2020-03-18 · 3 obs
● 2015-08-07 06:33:46
● 2020-03-18 07:25:46
○ 2026-03-24 07:32:34
●MXaspmx.l.google.com2015-08-07 → 2026-03-24 · 2 obs
● 2015-08-07 06:33:46
● 2026-03-24 07:32:34
●MXaspmx2.googlemail.com2026-03-24 → 2026-03-24 · 2 obs
○ 2020-03-18 07:25:46
● 2026-03-24 07:32:34
●MXaspmx3.googlemail.com2026-03-24 → 2026-03-24 · 2 obs
○ 2020-03-18 07:25:46
● 2026-03-24 07:32:34
●MXaspmx4.googlemail.com2026-03-24 → 2026-03-24 · 2 obs
○ 2020-03-18 07:25:46
● 2026-03-24 07:32:34
●MXaspmx5.googlemail.com2026-03-24 → 2026-03-24 · 2 obs
○ 2020-03-18 07:25:46
● 2026-03-24 07:32:34
○A192.0.78.242015-08-07 → 2020-03-18 · 3 obs
● 2015-08-07 06:33:46
● 2020-03-18 07:25:46
○ 2026-03-24 07:32:34
○A192.0.78.252015-08-07 → 2020-03-18 · 3 obs
● 2015-08-07 06:33:46
● 2020-03-18 07:25:46
○ 2026-03-24 07:32:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
mathoverflow.orgns05.domaincontrol.com, ns06.domaincontrol.com-

✅ Authoritative Response

Server:173.201.70.3

NS records: ns05.domaincontrol.com, ns06.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathoverflow.org (unsigned zone)

⏱️ Timing

Total: 386ms | Queries: -

📄 Records

TypeCountSample Data
NS2ns05.domaincontrol.com, ns06.domaincontrol.com
MX7aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 20)...
TXT1google-site-verification=NJhnIsmDOisWhdc
HTTPS1{"priority":0,"target":"mathoverflow.net
SOA1ns05.domaincontrol.com dns.jomax.net

Analysis

Name Servers

mathoverflow.org's delegation is to two name servers ns05.domaincontrol.com and ns06.domaincontrol.com.

mathoverflow.org shares the same name server configuration as other domains, such as livintheadventure.com, whninc.net, criticsdiary.com, arabfxchampionship.com and allaroundtreespecialist.com.

Host names with two IP numbers: ns05.domaincontrol.com points to 2603:5:2160::3 and 97.74.102.3; ns06.domaincontrol.com points to 2603:5:2260::3 and 173.201.70.3

Mail Servers

mathoverflow.org is handled by seven mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com, aspmx5.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

mathoverflow.org shares some mail servers with other domains, including ns500821.ns500794.ns500821.ns500821.ns500795.ns500821.ns500794.ns500821.ns500821.ns500790.lustypartnersfinder.com, embeddrive.net, ns500795.ns500795.ns500795.ns500821.ns500821.ns500821.ns500821.ns500795.ns500794.ns500821.ns500821.ns500795.ns500790.ns500795.lustypartnersfinder.com, concode.org and ns500698.ns500698.ns500758.ns500735.ns500735.ns500735.ns500735.ns500698.ns500708.ns500576.ns500619.ns500576.ns500576.ns500652.trackreceptor.com.

These mail servers are commonly used alongside the mail servers alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

Host names with two IP numbers

Host name aspmx2.googlemail.com points to 2607:f8b0:4023:2801::1b and 192.178.128.27

Host name aspmx3.googlemail.com points to 2607:f8b0:4023:1015::1b and 172.253.135.26

Host name aspmx4.googlemail.com points to 2607:f8b0:4023:3003::1b and 172.253.145.26

Host name aspmx5.googlemail.com points to 2607:f8b0:4003:c4a::1b and 142.251.96.27

Host name aspmx.l.google.com points to 2607:f8b0:4004:c19::1b and 172.253.62.27

Host name alt1.aspmx.l.google.com points to 2607:f8b0:4003:c30::1b and 74.125.27.26

Host name alt2.aspmx.l.google.com points to 2607:f8b0:4001:c70::1a and 192.178.209.26