mail.dfh13.com - robtex.com

mail.dfh13.com

DNSSEC⚠️ Not signed
A2606:4700:3035::ac43:9fcd🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:5988🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.89.136Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.159.205🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.89.136, 172.67.159.205
IPv6 hints2606:4700:3035::ac43:9fcd, 2606:4700:3036::6815:5988
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=224, name=cloudflare-ech.com

dfh13.com

DNSSEC⚠️ Not signed
A2606:4700:3035::ac43:9fcd🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:5988🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.89.136Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.159.205🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSmargot.ns.cloudflare.com ⭐
NStheo.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.89.136, 172.67.159.205
IPv6 hints2606:4700:3035::ac43:9fcd, 2606:4700:3036::6815:5988
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=224, name=cloudflare-ech.com
SOAmargot.ns.cloudflare.comdns@cloudflare.com serial=2401847821

Previously MX for

dfh13.com

Same first word

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DNS History

9 records (4 active, 5 former)

20162017201820192020202120222023202420252026A104.21.89.136172.67.159.2052606:4700:3035::ac43:9fcd2606:4700:3036::6815:5988188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::89.32.147.191
●A104.21.89.1362026-03-22 → 2026-05-14 · 7 obs
○ 2016-12-22 04:47:44
● 2026-03-22 19:07:58
● 2026-04-04 17:24:34
○ 2026-04-05 10:03:26
○ 2026-04-21 23:15:22
● 2026-05-05 09:59:24
● 2026-05-14 18:41:40
●A172.67.159.2052026-03-22 → 2026-05-14 · 7 obs
○ 2016-12-22 04:47:44
● 2026-03-22 19:07:58
● 2026-04-04 17:24:34
○ 2026-04-05 10:03:26
○ 2026-04-21 23:15:22
● 2026-05-05 09:59:24
● 2026-05-14 18:41:40
○A188.114.96.02026-04-05 → 2026-04-21 · 5 obs
○ 2026-04-04 17:24:34
● 2026-04-05 10:03:26
● 2026-04-21 23:15:22
○ 2026-05-05 09:59:24
○ 2026-05-14 18:41:40
○A188.114.97.02026-04-05 → 2026-04-21 · 5 obs
○ 2026-04-04 17:24:34
● 2026-04-05 10:03:26
● 2026-04-21 23:15:22
○ 2026-05-05 09:59:24
○ 2026-05-14 18:41:40
●A2606:4700:3035::ac43:9fcd2026-03-22 → 2026-05-14 · 7 obs
○ 2016-12-22 04:47:44
● 2026-03-22 19:07:58
● 2026-04-04 17:24:34
○ 2026-04-05 10:03:26
○ 2026-04-21 23:15:22
● 2026-05-05 09:59:24
● 2026-05-14 18:41:40
●A2606:4700:3036::6815:59882026-03-22 → 2026-05-14 · 7 obs
○ 2016-12-22 04:47:44
● 2026-03-22 19:07:58
● 2026-04-04 17:24:34
○ 2026-04-05 10:03:26
○ 2026-04-21 23:15:22
● 2026-05-05 09:59:24
● 2026-05-14 18:41:40
○A2a06:98c1:3120::2026-04-05 → 2026-04-21 · 5 obs
○ 2026-04-04 17:24:34
● 2026-04-05 10:03:26
● 2026-04-21 23:15:22
○ 2026-05-05 09:59:24
○ 2026-05-14 18:41:40
○A2a06:98c1:3121::2026-04-05 → 2026-04-21 · 5 obs
○ 2026-04-04 17:24:34
● 2026-04-05 10:03:26
● 2026-04-21 23:15:22
○ 2026-05-05 09:59:24
○ 2026-05-14 18:41:40
○A89.32.147.1912015-06-17 → 2016-12-22 · 4 obs
● 2015-06-17 12:01:18
● 2016-12-22 04:47:44
○ 2026-03-22 19:07:58
○ 2026-05-14 18:41:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, g.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net...-
dfh13.comtheo.ns.cloudflare.com, margot.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.167

NS records: theo.ns.cloudflare.com, margot.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dfh13.com (unsigned zone)

⏱️ Timing

Total: 356ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.89.136, 172.67.159.205
AAAA22606:4700:3035::ac43:9fcd, 2606:4700:3036::6815:5988
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (theo.ns.cloudflare.com, theo.ns.cloudflare.com, theo.ns.cloudflare.com...)

Analysis

IP Addresses

mail.dfh13.com resolves to four IPs: 2606:4700:3035::ac43:9fcd, 2606:4700:3036::6815:5988, 104.21.89.136 and 172.67.159.205.

Other host names, for instance juanpardo.net, www.288ysb.vip, smartfon-za(0x73686974)a.ru, smartglobal101.sbs and www.ipaddress-locator.com share IP numbers with mail.dfh13.com.