mail.crtweb.org - robtex.com

mail.crtweb.org

DNSSEC⚠️ Not signed
A34.207.68.107🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix
PTRec2-34-207-68-107.compute-1.amazonaws.com

crtweb.org

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:5c04🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:b771🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.92.4Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.183.113🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSnola.ns.cloudflare.com ⭐
NSterin.ns.cloudflare.com
MXmail.crtweb.org ⭐
TXTbrevo-code:f4604433e7938bb8a09ca85a89df71fe
TXTv=spf1 a mx a:mail.crtweb.org a:crtweb.org ip4:34.207.68.107 ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.92.4, 172.67.183.113
IPv6 hints2606:4700:3030::6815:5c04, 2606:4700:3037::ac43:b771
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=42, name=cloudflare-ech.com
SOAnola.ns.cloudflare.comdns@cloudflare.com serial=2400897823

MX for

crtweb.org

Same first word

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DNS History

3 records (1 active, 2 former)

20192020202120222023202420252026A34.207.68.107190.210.216.93.86.248.237
○A190.210.216.92018-05-17 → 2018-05-17 · 3 obs
● 2018-05-17 06:21:54
○ 2026-02-22 13:05:16
○ 2026-04-14 03:38:24
○A3.86.248.2372026-02-22 → 2026-03-25 · 5 obs
○ 2018-05-17 06:21:54
● 2026-02-22 13:05:16
● 2026-03-25 08:04:42
○ 2026-04-08 17:44:46
○ 2026-04-14 03:38:24
●A34.207.68.1072026-04-08 → 2026-04-14 · 3 obs
○ 2026-03-25 08:04:42
● 2026-04-08 17:44:46
● 2026-04-14 03:38:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org-
crtweb.orgterin.ns.cloudflare.com, nola.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.236

NS records: terin.ns.cloudflare.com, nola.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for crtweb.org (unsigned zone)

⏱️ Timing

Total: 192ms | Queries: -

📄 Records

TypeCountSample Data
A134.207.68.107

Analysis

Mail Server Role

mail.crtweb.org handles mail for crtweb.org.

IP Addresses

mail.crtweb.org points to a single IP address: 34.207.68.107.

Other host names such as mail.backendlid.com.ar, mail.pts.org.ar, mail.edicionesips.com.ar, mail.ips.org.ar and mail.laizquierdadiario.com share IPs with mail.crtweb.org.