mathlesson70.help - dns.ninja

mathlesson70.help

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:31c6🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::ac43:a6cd🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.49.198Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.166.205🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdecker.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c9b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdecker.ns.cloudflare.com
A2803:f800:50::6ca2:c39b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdecker.ns.cloudflare.com
A2a06:98c1:50::ac40:239b🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdecker.ns.cloudflare.com
A108.162.195.155🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdecker.ns.cloudflare.com
A162.159.44.155Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdecker.ns.cloudflare.com
A172.64.35.155🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdecker.ns.cloudflare.com
NSelinore.ns.cloudflare.com
A2606:4700:50::adf5:3a99🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelinore.ns.cloudflare.com
A2803:f800:50::6ca2:c099🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRelinore.ns.cloudflare.com
A2a06:98c1:50::ac40:2099🇺🇸 Cloudflare2a06:98c1:50::/45
PTRelinore.ns.cloudflare.com
A108.162.192.153🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelinore.ns.cloudflare.com
A172.64.32.153🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelinore.ns.cloudflare.com
A173.245.58.153🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelinore.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.49.198, 172.67.166.205
IPv6 hints2606:4700:3032::6815:31c6, 2606:4700:3032::ac43:a6cd
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=177, name=cloudflare-ech.com
SOAdecker.ns.cloudflare.comdns@cloudflare.com serial=2411823174

help

DNSSEC🔒 Signed (DS record present)
NSns0.centralnic.net ⭐
NSa.nic.help
NSb.nic.help
NSc.nic.help
NSd.nic.help
SOAns0.centralnic.nethostmaster@centralnic.net serial=1786435685
⚠️ On DNS blocklist: spam-tlds

Same first word

mathlesson70.help

DNS History

11 records (6 active, 5 former)

NSdecker.ns.cloudflare.comelinore.ns.cloudflare.comA104.21.49.198172.67.166.2052606:4700:3032::6815:31c62606:4700:3032::ac43:a6cd188.114.96.0188.114.97.02606:4700:3030::6815:31c62a06:98c1:3120::2a06:98c1:3121::
●NSdecker.ns.cloudflare.com2026-06-11 → 2026-08-11 · 2 obs
● 2026-06-11 21:27:18
● 2026-08-11 08:26:06
●NSelinore.ns.cloudflare.com2026-06-11 → 2026-08-11 · 2 obs
● 2026-06-11 21:27:18
● 2026-08-11 08:26:06
●A104.21.49.1982026-06-11 → 2026-08-11 · 5 obs
● 2026-06-11 21:27:18
● 2026-06-15 21:27:16
○ 2026-06-19 02:07:46
● 2026-07-16 01:07:10
● 2026-08-11 08:26:06
●A172.67.166.2052026-06-11 → 2026-08-11 · 5 obs
● 2026-06-11 21:27:18
● 2026-06-15 21:27:16
○ 2026-06-19 02:07:46
● 2026-07-16 01:07:10
● 2026-08-11 08:26:06
○A188.114.96.02026-06-19 → 2026-06-19 · 4 obs
○ 2026-06-15 21:27:16
● 2026-06-19 02:07:46
○ 2026-07-16 01:07:10
○ 2026-08-11 08:26:06
○A188.114.97.02026-06-19 → 2026-06-19 · 4 obs
○ 2026-06-15 21:27:16
● 2026-06-19 02:07:46
○ 2026-07-16 01:07:10
○ 2026-08-11 08:26:06
○A2606:4700:3030::6815:31c62026-06-11 → 2026-06-15 · 4 obs
● 2026-06-11 21:27:18
● 2026-06-15 21:27:16
○ 2026-06-19 02:07:46
○ 2026-08-11 08:26:06
●A2606:4700:3032::6815:31c62026-07-16 → 2026-08-11 · 3 obs
○ 2026-06-19 02:07:46
● 2026-07-16 01:07:10
● 2026-08-11 08:26:06
●A2606:4700:3032::ac43:a6cd2026-06-11 → 2026-08-11 · 5 obs
● 2026-06-11 21:27:18
● 2026-06-15 21:27:16
○ 2026-06-19 02:07:46
● 2026-07-16 01:07:10
● 2026-08-11 08:26:06
○A2a06:98c1:3120::2026-06-19 → 2026-06-19 · 4 obs
○ 2026-06-15 21:27:16
● 2026-06-19 02:07:46
○ 2026-07-16 01:07:10
○ 2026-08-11 08:26:06
○A2a06:98c1:3121::2026-06-19 → 2026-06-19 · 4 obs
○ 2026-06-15 21:27:16
● 2026-06-19 02:07:46
○ 2026-07-16 01:07:10
○ 2026-08-11 08:26:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
helpa.nic.help, b.nic.help, c.nic.help, d.nic.help8 records
mathlesson70.helpdecker.ns.cloudflare.com, elinore.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.153

NS records: decker.ns.cloudflare.com, elinore.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathlesson70.help (unsigned zone)

⏱️ Timing

Total: 500ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.49.198, 172.67.166.205
AAAA22606:4700:3032::6815:31c6, 2606:4700:3032::ac43:a6cd
NS2decker.ns.cloudflare.com, elinore.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1decker.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (a.nic.help, a.nic.help, b.nic.help...)

Analysis

IP Addresses

mathlesson70.help has four IP addresses: 104.21.49.198, 172.67.166.205, 2606:4700:3032::6815:31c6 and 2606:4700:3032::ac43:a6cd.

onlinebroker.net, new(0x706f726e)list.top, redstaking.com plus two other host names have IP numbers in common with mathlesson70.help.

Name Servers

Two name servers handle the delegation for mathlesson70.help: decker.ns.cloudflare.com and elinore.ns.cloudflare.com.

The name server configuration of mathlesson70.help is shared with other domains, for instance mathlesson20.help, dlgnzr.de, mathlesson50.help and two others.

mathlesson70.help has at least partial name server overlap with other domains, such as scala-aparts.de, danangland.org, blumen-sieg.de and two others.

These name servers tend to appear together with the name servers terin.ns.cloudflare.com, malavika.ns.cloudflare.com and howard.ns.cloudflare.com.

Hosts with 6 IP addresses each:

decker.ns.cloudflare.com resolves to 108.162.195.155, 162.159.44.155 and 172.64.35.155 among others, with 3 other IP addresses in total.

elinore.ns.cloudflare.com resolves to 108.162.192.153, 172.64.32.153 and 173.245.58.153 among others, with 3 other IP addresses in total.