smtp.diff.org - dns.ninja

smtp.diff.org

CNAMEw1.diff.org
DNSSEC⚠️ Not signed
A2a01:4f8:192:2116::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRw1.diff.org
A144.76.91.23🇩🇪 Hetzner144.76.0.0/16 HETZNER-RZ-BLK-ERX1
TXTv=spf1 a:w1.diff.org -all

diff.org

DNSSEC⚠️ Not signed
A144.76.91.23🇩🇪 Hetzner144.76.0.0/16 HETZNER-RZ-BLK-ERX1
NSns1.he.net ⭐
NSns2.he.net
NSns3.he.net
NSns4.he.net
NSns5.he.net ⚠️ Not in parent delegation
MXmail.diff.org ⭐
MXsmtp.diff.org(30)
TXTv=spf1 a:vola.diff.org a:mail.diff.org a:smtp.diff.org a:imap.diff.org a:mail...
TXTgoogle-site-verification=nOONbifqGpu1RXuydaZ2bdo6g3QwM4FLsQq8XpQY6B8
SOAns1.he.nethostmaster@he.net 2026-07-20 #2
rank #943669 globally
rank #72682 in the tld

MX for

diff.org

Same first word

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DNS History

4 records (1 active, 3 former)

20162017201820192020202120222023202420252026A2a01:4f8:141:40b::246.4.107.136CNAMEw1.diff.orgv1.diff.org
○A2a01:4f8:141:40b::22015-12-02 → 2016-08-11 · 5 obs
○ 2015-07-14 14:05:10
● 2015-12-02 13:21:04
● 2016-08-11 08:57:40
○ 2026-03-15 04:53:12
○ 2026-07-24 09:06:38
○A46.4.107.1362015-07-14 → 2016-08-11 · 4 obs
● 2015-07-14 14:05:10
● 2016-08-11 08:57:40
○ 2026-03-15 04:53:12
○ 2026-07-24 09:06:38
○CNAMEv1.diff.org2016-08-11 → 2016-08-11 · 3 obs
● 2016-08-11 08:57:40
○ 2026-03-15 04:53:12
○ 2026-07-24 09:06:38
●CNAMEw1.diff.org2026-03-15 → 2026-07-24 · 3 obs
○ 2016-08-11 08:57:40
● 2026-03-15 04:53:12
● 2026-07-24 09:06:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org-
diff.orgns3.he.net, ns2.he.net, ns1.he.net, ns4.he.net-

✅ Authoritative Response

Server:216.218.131.2

NS records: ns3.he.net, ns2.he.net, ns1.he.net, ns4.he.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for diff.org (unsigned zone)

⏱️ Timing

Total: 583ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1w1.diff.org

Analysis

Mail Server Role

smtp.diff.org serves as a mail server for diff.org.

mail.diff.org and smtp.diff.org are commonly paired as mail servers.

IP Addresses

smtp.diff.org has two IP addresses: 144.76.91.23 and 2a01:4f8:192:2116::2

Host names such as diff.org, w1.diff.org and catmu.it share their IP numbers with smtp.diff.org.