`ac-simulation-und-training.de`

DNSSEC	⚠️ Not signed
A	212.172.221.36^{🇩🇪 ECOTEL212.172.0.0/16 ecotel communication ag}
		PTR	`mail.psa5.webhoster.ag`
NS	`ns25.ns25.de` ⭐
		A	2001:8d8:fe:53:217:160:80:161^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-ix2.ui-dns.de`
		A	217.160.80.161^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-ix2.ui-dns.de`
NS	`ns26.ns26.de`
		A	2001:8d8:fe:53:217:160:81:161^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-ix2.ui-dns.biz`
		A	217.160.81.161^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-ix2.ui-dns.biz`
NS	`ns27.ns27.de`
		A	2607:f1c0:fe:53:185:132:35:161^{🇺🇸 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	`ns-ix2.ui-dns.org`
		A	185.132.35.161^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns-ix2.ui-dns.org`
NS	`ns28.ns28.de`
		A	2607:f1c0:fe:53:185:132:34:161^{🇺🇸 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	`ns-ix2.ui-dns.com`
		A	185.132.34.161^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns-ix2.ui-dns.com`
MX	`mxtls-expurgate.net` ⭐
SOA	`ns25.ns25.de`hermes@ns.nosurf.de 2018-10-05 #0

`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=1778179287

Same first word

ac-simulation-und-training.de

DNS History

8 records (6 active, 2 former)

●NSns25.ns25.de2015-08-03 → 2026-05-07 · 2 obs

● 2015-08-03 06:46:18
● 2026-05-07 18:47:22

●NSns26.ns26.de2015-08-03 → 2026-05-07 · 2 obs

● 2015-08-03 06:46:18
● 2026-05-07 18:47:22

●NSns27.ns27.de2015-08-03 → 2026-05-07 · 2 obs

● 2015-08-03 06:46:18
● 2026-05-07 18:47:22

●NSns28.ns28.de2015-08-03 → 2026-05-07 · 2 obs

● 2015-08-03 06:46:18
● 2026-05-07 18:47:22

○MXmail2.nosurf.it2015-08-03 → 2017-04-09 · 4 obs

● 2015-08-03 06:46:18
● 2017-04-09 18:09:34
○ 2026-03-23 12:56:26
○ 2026-05-07 18:47:22

●MXmxtls-expurgate.net2026-03-23 → 2026-05-07 · 3 obs

○ 2017-04-09 18:09:34
● 2026-03-23 12:56:26
● 2026-05-07 18:47:22

●A212.172.221.362026-03-23 → 2026-05-07 · 3 obs

○ 2017-04-09 18:09:34
● 2026-03-23 12:56:26
● 2026-05-07 18:47:22

○A85.214.55.932015-08-03 → 2017-04-09 · 4 obs

● 2015-08-03 06:46:18
● 2017-04-09 18:09:34
○ 2026-03-23 12:56:26
○ 2026-05-07 18:47:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
ac-simulation-und-training.de	ns25.ns25.de, ns26.ns26.de, ns27.ns27.de, ns28.ns28.de	-

✅ Authoritative Response

Server:185.132.35.161

NS records: ns25.ns25.de, ns26.ns26.de, ns27.ns27.de, ns28.ns28.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ac-simulation-und-training.de (unsigned zone)

⏱️ Timing

Total: 552ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`212.172.221.36`
NS	4	`ns25.ns25.de, ns26.ns26.de...`
MX	1	`mxtls-expurgate.net (pri: 10)`
SOA	1	`ns25.ns25.de hermes.ns.nosurf.de`

Analysis

IP Addresses

ac-simulation-und-training.de points to a single IP number: 212.172.221.36.

Other host names, for instance globalgest.lu, mx0.erroneous.de, erroneous.de, lange-dl.de and mail.erroneous.de share IP numbers with ac-simulation-und-training.de.

Name Servers

ac-simulation-und-training.de is delegated to four name servers: ns25.ns25.de, ns26.ns26.de, ns27.ns27.de and ns28.ns28.de.

ac-simulation-und-training.de at least partially shares name servers with other domains, for instance agenturwinkler.com, suck-bau.de, erovie.fr, immobilienabrechnung.de and mknust.de.

Host names with two IP numbers:

ns25.ns25.de points to: 2001:8d8:fe:53:217:160:80:161 and 217.160.80.161.

ns26.ns26.de points to: 2001:8d8:fe:53:217:160:81:161 and 217.160.81.161.

ns27.ns27.de points to: 2607:f1c0:fe:53:185:132:35:161 and 185.132.35.161.

ns28.ns28.de points to: 2607:f1c0:fe:53:185:132:34:161 and 185.132.34.161.

Mail Servers

ac-simulation-und-training.de is handled by a single mail server, mxtls-expurgate.net.

ac-simulation-und-training.de - robtex.com