`mathexception.de`

DNSSEC	⚠️ Not signed
A	2a01:238:20a:202:1105::^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
A	81.169.145.105^{🇩🇪 STRATO81.169.144.0/22 AG}
NS	`shades05.rzone.de` ⭐
		A	2607:f1c0:fe:53:185:132:34:132^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`shades05.rzone.de`
		A	185.132.34.132^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`shades05.rzone.de`
NS	`docks07.rzone.de`
		A	2001:8d8:fe:53:5747:2a74:d:7^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`docks07.rzone.de`
		A	217.160.80.134^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`docks07.rzone.de`
MX	`smtpin.rzone.de` ⭐
		A	2a01:238:20a:202:50f0::1097^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
			PTR	`smtpin.rzone.de`
		A	81.169.145.97^{🇩🇪 STRATO81.169.144.0/22 AG}
			PTR	`smtpin.rzone.de`
TXT	`v=spf1 redirect=_spf.strato.com`
SOA	`shades05.rzone.de`hostmaster@strato-rz.de 2020-05-19 #5

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1774600783

Subdomains

mx.mathexception.de

Same first word

mathexception.de

DNS History

10 records (5 active, 5 former)

●NSdocks07.rzone.de2018-12-17 → 2026-03-27 · 3 obs

○ 2017-02-19 22:05:42
● 2018-12-17 11:18:32
● 2026-03-27 08:53:36

○NSns1.net-publics.com2015-08-02 → 2017-02-19 · 4 obs

● 2015-08-02 10:30:08
● 2017-02-19 22:05:42
○ 2018-12-17 11:18:32
○ 2026-03-27 08:53:36

○NSns2.net-publics.com2015-08-02 → 2017-02-19 · 4 obs

● 2015-08-02 10:30:08
● 2017-02-19 22:05:42
○ 2018-12-17 11:18:32
○ 2026-03-27 08:53:36

○NSns3.net-publics.com2015-08-02 → 2017-02-19 · 4 obs

● 2015-08-02 10:30:08
● 2017-02-19 22:05:42
○ 2018-12-17 11:18:32
○ 2026-03-27 08:53:36

●NSshades05.rzone.de2018-12-17 → 2026-03-27 · 3 obs

○ 2017-02-19 22:05:42
● 2018-12-17 11:18:32
● 2026-03-27 08:53:36

○MXmx.mathexception.de2015-08-02 → 2017-02-19 · 4 obs

● 2015-08-02 10:30:08
● 2017-02-19 22:05:42
○ 2018-12-17 11:18:32
○ 2026-03-27 08:53:36

●MXsmtpin.rzone.de2018-12-17 → 2026-03-27 · 3 obs

○ 2017-02-19 22:05:42
● 2018-12-17 11:18:32
● 2026-03-27 08:53:36

●A2a01:238:20a:202:1105::2018-12-17 → 2026-03-27 · 3 obs

○ 2017-02-19 22:05:42
● 2018-12-17 11:18:32
● 2026-03-27 08:53:36

●A81.169.145.1052018-12-17 → 2026-03-27 · 3 obs

○ 2017-02-19 22:05:42
● 2018-12-17 11:18:32
● 2026-03-27 08:53:36

○A87.119.206.962015-08-02 → 2017-02-19 · 4 obs

● 2015-08-02 10:30:08
● 2017-02-19 22:05:42
○ 2018-12-17 11:18:32
○ 2026-03-27 08:53:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
mathexception.de	docks07.rzone.de, shades05.rzone.de	-

✅ Authoritative Response

Server:185.132.34.132

NS records: docks07.rzone.de, shades05.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathexception.de (unsigned zone)

⏱️ Timing

Total: 943ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.169.145.105`
AAAA	1	`2a01:238:20a:202:1105::`
NS	2	`docks07.rzone.de, shades05.rzone.de`
MX	1	`smtpin.rzone.de (pri: 5)`
TXT	1	`v=spf1 redirect=_spf.strato.com`
SOA	1	`shades05.rzone.de hostmaster.strato-rz.d`

Analysis

Hierarchy

mathexception.de is the parent of mx.mathexception.de.

IP Addresses

The entity mathexception.de points to two IP numbers: 2a01:238:20a:202:1105:: and 81.169.145.105.

For instance, other host names thelaststage.com, dhagpo-kagyu-mandala.de, duelli.net, haarausfall-beratung.de and paxer.de share IP numbers with mathexception.de.

Name Servers

mathexception.de is delegated to two name servers: docks07.rzone.de and shades05.rzone.de.

mathexception.de uses the same name server setup as other domains such as storchennest-minden.de, zottinger.de, qac.de, setoff.de and jerome-segal.de.

mathexception.de shares name servers with other domains at least partially, for example ff-traisa.de, thelen.me, stepins.de, firmax.es and gratis-website.de.

these name servers are often used with the following: docks08.rzone.de, shades20.rzone.de, docks01.rzone.de, shades06.rzone.de, shades10.rzone.de, shades09.rzone.de, shades08.rzone.de, shades04.rzone.de, docks13.rzone.de and docks02.rzone.de.

Host names with two IP numbers:

docks07.rzone.de points to 2001:8d8:fe:53:5747:2a74:d:7 and 217.160.80.134; shades05.rzone.de points to 2607:f1c0:fe:53:185:132:34:132 and 185.132.34.132.

Mail Servers

mathexception.de is handled by a single mail server, smtpin.rzone.de.

mathexception.de shares the same mail server setup as other domains, for instance ftp.pfefferberg.de, mail.axelstiller.de, carmarc.de, baugenial.de and bdrg-fanshop.com.

smtpin.rzone.de resolves to two IPs: 2a01:238:20a:202:50f0::1097 and 81.169.145.97.

mathexception.de - robtex.com