`mail.dfn.de`

DNSSEC	⚠️ Not signed
A	2001:638:d:c102::150^{🇩🇪 DFN2001:638::/32 -V6-AGG1}
		PTR	`mail.dfn.de`
A	194.95.245.150^{🇩🇪 DFN194.94.0.0/15 -AGG-16}

`dfn.de`

	DNSSEC	🔒 Signed (DS record present)
	A	2a00:d0c0:c:2109::11^{🇩🇪 UVENSYS2a00:d0c0::/32 uvensys GmbH}
	A	37.208.106.105^{🇩🇪 UVENSYS37.208.104.0/21 uvensys GmbH}
	NS	`ns1.dfn.de` ⭐
	NS	`ns2.dfn.de`
	NS	`ns3.dfn.de`
	NS	`ns4.dfn.de`
	MX	`a1001.mx.srv.dfn.de` ⭐
	MX	`b1001.mx.srv.dfn.de` ⭐
	MX	`c1001.mx.srv.dfn.de` ⭐
	TXT	`apple-domain-verification=TdQByV6omDQj06SD`
	TXT	`v=spf1 include:_spf.s1004.mx.srv.dfn.de a:deneb.dfn.de include:_spf.dfn-cert....`
	TXT	`google-site-verification=aNjf9WiXv4G4mjXnYovwIjOS01qfUjBGQbV5xomVJ44`
	TXT	`google-site-verification=AHsv25T5W2sYiYNmYvU6z8a2G1H_7FM0vJOZf5uOhAE`
	SOA	`ns1.dfn.de`hostmaster@dfn.de serial=1776071825

WOT: SAFE (73/100)
rank #17326 globally
rank #507 in the tld
WOT: SAFE (90/100)
📈 Tranco rank: #5,147

PTR for

0.5.1.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.1.c.d.0.0.0.8.3.6.0.1.0.0.2.ip6.arpa

150.245.95.194.in-addr.arpa

MX for

graphdrawing.org

Same first word

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DNS History

5 records (2 active, 3 former)

○A193.174.247.2192007-11-19 → 2007-11-19 · 3 obs

● 2007-11-19 02:26:38
○ 2015-08-20 16:49:58
○ 2026-04-14 02:30:48

●A194.95.245.1502026-04-08 → 2026-04-14 · 3 obs

○ 2016-09-10 18:42:02
● 2026-04-08 17:33:36
● 2026-04-14 02:30:48

○A194.95.248.2202015-08-20 → 2016-09-10 · 5 obs

○ 2007-11-19 02:26:38
● 2015-08-20 16:49:58
● 2016-09-10 18:42:02
○ 2026-04-08 17:33:36
○ 2026-04-14 02:30:48

○A2001:638:d:c101:acdc:1979:3:10192015-08-20 → 2016-09-10 · 5 obs

○ 2007-11-19 02:26:38
● 2015-08-20 16:49:58
● 2016-09-10 18:42:02
○ 2026-04-08 17:33:36
○ 2026-04-14 02:30:48

●A2001:638:d:c102::1502026-04-08 → 2026-04-14 · 3 obs

○ 2016-09-10 18:42:02
● 2026-04-08 17:33:36
● 2026-04-14 02:30:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
dfn.de	ns1.dfn.de, ns2.dfn.de, ns3.dfn.de, ns4.dfn.de	7 records

✅ Authoritative Response

Server:194.95.236.51

NS records: ns1.dfn.de, ns2.dfn.de, ns3.dfn.de, ns4.dfn.de

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 774ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`194.95.245.150`
AAAA	1	`2001:638:d:c102::150`

📌 Glue Records Collected

Total: 7

In-bailiwick: 7 (ns1.dfn.de, ns1.dfn.de, ns2.dfn.de...)

Analysis

Mail Server Role

The mail server for graphdrawing.org is mail.dfn.de.

IP Addresses

mail.dfn.de points to two IP numbers: 2001:638:d:c102::150 and 194.95.245.150.

mail.dfn.de - robtex.com

mail.dfn.de

dfn.de