mathdb.org - dns.ninja

mathdb.org

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:31c2🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:a694🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.49.194Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.166.148🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSnero.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c1c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnero.ns.cloudflare.com
A2803:f800:50::6ca2:c31c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnero.ns.cloudflare.com
A2a06:98c1:50::ac40:231c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnero.ns.cloudflare.com
A108.162.195.28🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnero.ns.cloudflare.com
A162.159.44.28Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnero.ns.cloudflare.com
A172.64.35.28🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnero.ns.cloudflare.com
NSvenus.ns.cloudflare.com
A2606:4700:50::adf5:3aeb🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvenus.ns.cloudflare.com
A2803:f800:50::6ca2:c0eb🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRvenus.ns.cloudflare.com
A2a06:98c1:50::ac40:20eb🇺🇸 Cloudflare2a06:98c1:50::/45
PTRvenus.ns.cloudflare.com
A108.162.192.235🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvenus.ns.cloudflare.com
A172.64.32.235🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvenus.ns.cloudflare.com
A173.245.58.235🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvenus.ns.cloudflare.com
TXTv=spf1 -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.49.194, 172.67.166.148
IPv6 hints2606:4700:3031::6815:31c2, 2606:4700:3035::ac43:a694
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=156, name=cloudflare-ech.com
SOAnero.ns.cloudflare.comdns@cloudflare.com serial=2410467477

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=1785563500
WOT: SAFE (84/100)

Previously MX for

mathdb.org

Same first word

mathdb.com
mathdb.org

Similar names

dtbham.com
dbmath.com
hbmtad.cn
mathbd.com
bathmd.com
hdatmb.org
tmdbah.com
bdmath.com
mdbath.uk
mdbath.com

DNS History

27 records (6 active, 21 former)

20162017201820192020202120222023202420252026NSnero.ns.cloudflare.comvenus.ns.cloudflare.comaustin.ns.cloudflare.comdns1.name-services.comdns2.name-services.comdns3.name-services.comdns4.name-services.comdns5.name-services.comizabella.ns.cloudflare.comns1-venera.vivawebhost.comns2-venera.vivawebhost.comMXeforwardct.name-services.comeforwardct2.name-services.comeforwardct3.name-services.commathdb.orgroute1.mx.cloudflare.netroute2.mx.cloudflare.netroute3.mx.cloudflare.netA104.21.49.194172.67.166.1482606:4700:3031::6815:31c22606:4700:3035::ac43:a694143.89.17.192172.64.80.1217.174.148.1572606:4700:3034::6815:31c22606:4700:3037::ac43:a694
○NSaustin.ns.cloudflare.com2026-03-15 → 2026-05-24 · 5 obs
○ 2026-02-19 01:26:50
● 2026-03-15 06:50:50
● 2026-05-24 00:02:30
○ 2026-05-28 09:36:06
○ 2026-08-01 06:25:32
○NSdns1.name-services.com2015-06-26 → 2017-06-04 · 4 obs
● 2015-06-26 01:34:22
● 2017-06-04 07:25:10
○ 2026-02-19 01:26:50
○ 2026-08-01 06:25:32
○NSdns2.name-services.com2015-06-26 → 2017-06-04 · 4 obs
● 2015-06-26 01:34:22
● 2017-06-04 07:25:10
○ 2026-02-19 01:26:50
○ 2026-08-01 06:25:32
○NSdns3.name-services.com2015-06-26 → 2017-06-04 · 4 obs
● 2015-06-26 01:34:22
● 2017-06-04 07:25:10
○ 2026-02-19 01:26:50
○ 2026-08-01 06:25:32
○NSdns4.name-services.com2015-06-26 → 2017-06-04 · 4 obs
● 2015-06-26 01:34:22
● 2017-06-04 07:25:10
○ 2026-02-19 01:26:50
○ 2026-08-01 06:25:32
○NSdns5.name-services.com2015-06-26 → 2017-06-04 · 4 obs
● 2015-06-26 01:34:22
● 2017-06-04 07:25:10
○ 2026-02-19 01:26:50
○ 2026-08-01 06:25:32
○NSizabella.ns.cloudflare.com2026-03-15 → 2026-05-24 · 5 obs
○ 2026-02-19 01:26:50
● 2026-03-15 06:50:50
● 2026-05-24 00:02:30
○ 2026-05-28 09:36:06
○ 2026-08-01 06:25:32
●NSnero.ns.cloudflare.com2026-05-28 → 2026-08-01 · 3 obs
○ 2026-05-24 00:02:30
● 2026-05-28 09:36:06
● 2026-08-01 06:25:32
○NSns1-venera.vivawebhost.com2026-02-19 → 2026-02-19 · 4 obs
○ 2017-06-04 07:25:10
● 2026-02-19 01:26:50
○ 2026-03-15 06:50:50
○ 2026-08-01 06:25:32
○NSns2-venera.vivawebhost.com2026-02-19 → 2026-02-19 · 4 obs
○ 2017-06-04 07:25:10
● 2026-02-19 01:26:50
○ 2026-03-15 06:50:50
○ 2026-08-01 06:25:32
●NSvenus.ns.cloudflare.com2026-05-28 → 2026-08-01 · 3 obs
○ 2026-05-24 00:02:30
● 2026-05-28 09:36:06
● 2026-08-01 06:25:32
○MXeforwardct.name-services.com2015-06-26 → 2017-06-04 · 4 obs
● 2015-06-26 01:34:22
● 2017-06-04 07:25:10
○ 2026-02-19 01:26:50
○ 2026-08-01 06:25:32
○MXeforwardct2.name-services.com2015-06-26 → 2017-06-04 · 4 obs
● 2015-06-26 01:34:22
● 2017-06-04 07:25:10
○ 2026-02-19 01:26:50
○ 2026-08-01 06:25:32
○MXeforwardct3.name-services.com2015-06-26 → 2017-06-04 · 4 obs
● 2015-06-26 01:34:22
● 2017-06-04 07:25:10
○ 2026-02-19 01:26:50
○ 2026-08-01 06:25:32
○MXmathdb.org2026-02-19 → 2026-05-28 · 7 obs
○ 2017-06-04 07:25:10
● 2026-02-19 01:26:50
○ 2026-03-15 06:50:50
○ 2026-05-24 00:02:30
● 2026-05-28 09:36:06
○ 2026-06-26 23:33:14
○ 2026-08-01 06:25:32
○MXroute1.mx.cloudflare.net2026-03-15 → 2026-05-24 · 5 obs
○ 2026-02-19 01:26:50
● 2026-03-15 06:50:50
● 2026-05-24 00:02:30
○ 2026-05-28 09:36:06
○ 2026-08-01 06:25:32
○MXroute2.mx.cloudflare.net2026-03-15 → 2026-05-24 · 5 obs
○ 2026-02-19 01:26:50
● 2026-03-15 06:50:50
● 2026-05-24 00:02:30
○ 2026-05-28 09:36:06
○ 2026-08-01 06:25:32
○MXroute3.mx.cloudflare.net2026-03-15 → 2026-05-24 · 5 obs
○ 2026-02-19 01:26:50
● 2026-03-15 06:50:50
● 2026-05-24 00:02:30
○ 2026-05-28 09:36:06
○ 2026-08-01 06:25:32
●A104.21.49.1942026-03-16 → 2026-08-01 · 6 obs
○ 2026-03-15 06:50:50
● 2026-03-16 04:16:24
● 2026-05-24 00:02:30
○ 2026-05-28 09:36:06
● 2026-06-26 23:33:14
● 2026-08-01 06:25:32
○A143.89.17.1922015-06-26 → 2017-06-04 · 4 obs
● 2015-06-26 01:34:22
● 2017-06-04 07:25:10
○ 2026-02-19 01:26:50
○ 2026-08-01 06:25:32
○A172.64.80.12026-03-15 → 2026-03-15 · 4 obs
○ 2026-02-19 01:26:50
● 2026-03-15 06:50:50
○ 2026-03-16 04:16:24
○ 2026-08-01 06:25:32
●A172.67.166.1482026-03-16 → 2026-08-01 · 6 obs
○ 2026-03-15 06:50:50
● 2026-03-16 04:16:24
● 2026-05-24 00:02:30
○ 2026-05-28 09:36:06
● 2026-06-26 23:33:14
● 2026-08-01 06:25:32
○A217.174.148.1572026-02-19 → 2026-05-28 · 7 obs
○ 2017-06-04 07:25:10
● 2026-02-19 01:26:50
○ 2026-03-15 06:50:50
○ 2026-05-24 00:02:30
● 2026-05-28 09:36:06
○ 2026-06-26 23:33:14
○ 2026-08-01 06:25:32
●A2606:4700:3031::6815:31c22026-06-26 → 2026-08-01 · 3 obs
○ 2026-05-28 09:36:06
● 2026-06-26 23:33:14
● 2026-08-01 06:25:32
○A2606:4700:3034::6815:31c22026-03-15 → 2026-05-24 · 5 obs
○ 2026-02-19 01:26:50
● 2026-03-15 06:50:50
● 2026-05-24 00:02:30
○ 2026-05-28 09:36:06
○ 2026-08-01 06:25:32
●A2606:4700:3035::ac43:a6942026-06-26 → 2026-08-01 · 3 obs
○ 2026-05-28 09:36:06
● 2026-06-26 23:33:14
● 2026-08-01 06:25:32
○A2606:4700:3037::ac43:a6942026-03-15 → 2026-05-24 · 5 obs
○ 2026-02-19 01:26:50
● 2026-03-15 06:50:50
● 2026-05-24 00:02:30
○ 2026-05-28 09:36:06
○ 2026-08-01 06:25:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org-
mathdb.orgnero.ns.cloudflare.com, venus.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.235

NS records: nero.ns.cloudflare.com, venus.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathdb.org (unsigned zone)

⏱️ Timing

Total: 420ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.49.194, 172.67.166.148
AAAA22606:4700:3035::ac43:a694, 2606:4700:3031::6815:31c2
NS2nero.ns.cloudflare.com, venus.ns.cloudflare.com
TXT1v=spf1 -all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1nero.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

mathdb.org points to the four IP addresses 104.21.49.194, 172.67.166.148, 2606:4700:3031::6815:31c2 and 2606:4700:3035::ac43:a694.

c.ccwc.ccwu.cc, e3sglobal.com, thearab.org plus two other host names have IP numbers in common with mathdb.org.

Name Servers

mathdb.org is delegated to two name servers: nero.ns.cloudflare.com and venus.ns.cloudflare.com.

The name server configuration of mathdb.org is shared with other domains, for instance wmspartner.com, xn----8sbnaca5abkfphftgrec0s.xn--p1ai, mycloudnet.online and two others.

There is at least partial name server overlap between mathdb.org and other domains — icebreaker.top, njhwht.com, sportivissimo.me and two more among them.

These name servers frequently co-occur with the name servers memphis.ns.cloudflare.com and chan.ns.cloudflare.com.

Hosts with 6 IP addresses each:

nero.ns.cloudflare.com resolves to 108.162.195.28, 162.159.44.28, 172.64.35.28 and 3 other IP addresses.

venus.ns.cloudflare.com resolves to 108.162.192.235, 172.64.32.235, 173.245.58.235 and 3 other IP addresses.