mail.esrb.org - robtex.com

mail.esrb.org

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:b9a8πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:3036::6815:134fπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.21.19.79Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A172.67.185.168πŸ‡ΊπŸ‡Έ Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
HTTPSHTTP/3, HTTP/2 βœ“ hints match
IPv4 hints104.21.19.79, 172.67.185.168
IPv6 hints2606:4700:3031::ac43:b9a8, 2606:4700:3036::6815:134f
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=1, name=cloudflare-ech.com

esrb.org

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:b9a8πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:3036::6815:134fπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.21.19.79Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A172.67.185.168πŸ‡ΊπŸ‡Έ Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
NSgeorge.ns.cloudflare.com ⭐
NShadlee.ns.cloudflare.com
MXesrb-org.mail.protection.outlook.com ⭐
TXT_g7n9rb7q4qh0v1pr7kned1l0t8evife
TXT_it8k19tctdyj9ztdypb5ed12vgqc0vz
TXTgoogle-site-verification=MhQ9rawSgs7nJBRdasFzOESz-2w97MqfIBjtRviVPZg
TXTgoogle-site-verification=jTEORBj2ysMA4-IEpLUTmnMimyxzrnMeN50lrHBkfsg
TXTgoogle-site-verification=pQOujQcUgJBv1podHmZZH3Hvt-iaWhAOH1Ddt17W5Yo
TXTv=spf1 include:spf.protection.outlook.com include:sendgrid.net include:server...
HTTPSHTTP/3, HTTP/2 βœ“ hints match
IPv4 hints104.21.19.79, 172.67.185.168
IPv6 hints2606:4700:3031::ac43:b9a8, 2606:4700:3036::6815:134f
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=1, name=cloudflare-ech.com
SOAgeorge.ns.cloudflare.comdns@cloudflare.com serial=2408544155
WOT: SAFE (94/100)
rank #12402 globally
rank #1398 in the tld
WOT: SAFE (94/100)
πŸ“ˆ Tranco rank: #32,213

PTR for

Previously MX for

Same first word

Similar names

DNS History

7 records (4 active, 3 former)

20162017201820192020202120222023202420252026A104.21.19.79172.67.185.1682606:4700:3031::ac43:b9a82606:4700:3036::6815:134f2606:4700:3033::ac43:b9a82606:4700:3037::6815:134f38.94.164.74
●A104.21.19.792026-02-16 β†’ 2026-07-25 Β· 3 obs
β—‹ 2021-01-24 13:04:06
● 2026-02-16 04:52:30
● 2026-07-25 21:56:10
●A172.67.185.1682026-02-16 β†’ 2026-07-25 Β· 3 obs
β—‹ 2021-01-24 13:04:06
● 2026-02-16 04:52:30
● 2026-07-25 21:56:10
●A2606:4700:3031::ac43:b9a82026-07-25 β†’ 2026-07-25 Β· 3 obs
β—‹ 2026-02-16 04:52:30
● 2026-07-25 21:56:08
● 2026-07-25 21:56:10
β—‹A2606:4700:3033::ac43:b9a82026-02-16 β†’ 2026-02-16 Β· 4 obs
β—‹ 2021-01-24 13:04:06
● 2026-02-16 04:52:30
β—‹ 2026-07-25 21:56:08
β—‹ 2026-07-25 21:56:10
●A2606:4700:3036::6815:134f2026-07-25 β†’ 2026-07-25 Β· 3 obs
β—‹ 2026-02-16 04:52:30
● 2026-07-25 21:56:08
● 2026-07-25 21:56:10
β—‹A2606:4700:3037::6815:134f2026-02-16 β†’ 2026-02-16 Β· 4 obs
β—‹ 2021-01-24 13:04:06
● 2026-02-16 04:52:30
β—‹ 2026-07-25 21:56:08
β—‹ 2026-07-25 21:56:10
β—‹A38.94.164.742015-07-24 β†’ 2021-01-24 Β· 4 obs
● 2015-07-24 02:59:40
● 2021-01-24 13:04:06
β—‹ 2026-02-16 04:52:30
β—‹ 2026-07-25 21:56:10

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
esrb.orghadlee.ns.cloudflare.com, george.ns.cloudflare.com-

βœ… Authoritative Response

Server:108.162.194.67

NS records: hadlee.ns.cloudflare.com, george.ns.cloudflare.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for esrb.org (unsigned zone)

⏱️ Timing

Total: 886ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A2172.67.185.168, 104.21.19.79
AAAA22606:4700:3036::6815:134f, 2606:4700:3031::ac43:b9a8
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.esrb.org points to the four IP addresses 104.21.19.79, 172.67.185.168, 2606:4700:3031::ac43:b9a8 and 2606:4700:3036::6815:134f.

Two other host names, along with hoeblau.at, 4694h.com and www.roninre.com, also share IP numbers with mail.esrb.org.