`hartnackschule.de`

DNSSEC	⚠️ Not signed
A	213.187.84.167^{🇩🇪 HLKOMM213.187.64.0/19 HL komm Telekommunikations GmbH}
		PTR	`demeter.b-connect.de`
NS	`a.ns14.net` ⭐
		A	2001:8d8:fe:53:217:160:80:160^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-ix1.ui-dns.de`
		A	217.160.80.160^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-ix1.ui-dns.de`
NS	`b.ns14.net`
		A	2001:8d8:fe:53:217:160:81:160^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-ix1.ui-dns.biz`
		A	217.160.81.160^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-ix1.ui-dns.biz`
NS	`c.ns14.net`
		A	2607:f1c0:fe:53:185:132:35:160^{🇺🇸 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-ix1.ui-dns.org`
		A	185.132.35.160^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns-ix1.ui-dns.org`
NS	`d.ns14.net`
		A	2607:f1c0:fe:53:185:132:34:160^{🇺🇸 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-ix1.ui-dns.com`
		A	185.132.34.160^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns-ix1.ui-dns.com`
MX	`mail.hartnackschule.de` ⭐
		A	213.187.84.167^{🇩🇪 HLKOMM213.187.64.0/19 HL komm Telekommunikations GmbH}
			PTR	`demeter.b-connect.de`
SOA	`a.ns14.net`autodnsrobot@b-connect.de 2020-08-18 #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=1776062943

Subdomains

mail.hartnackschule.de

Same first word

hartnackschule.de

DNS History

8 records (6 active, 2 former)

●NSa.ns14.net2015-07-11 → 2026-04-13 · 2 obs

● 2015-07-11 07:00:14
● 2026-04-13 07:09:24

●NSb.ns14.net2015-07-11 → 2026-04-13 · 2 obs

● 2015-07-11 07:00:14
● 2026-04-13 07:09:24

●NSc.ns14.net2015-07-11 → 2026-04-13 · 2 obs

● 2015-07-11 07:00:14
● 2026-04-13 07:09:24

●NSd.ns14.net2015-07-11 → 2026-04-13 · 2 obs

● 2015-07-11 07:00:14
● 2026-04-13 07:09:24

●MXmail.hartnackschule.de2015-07-11 → 2026-04-13 · 2 obs

● 2015-07-11 07:00:14
● 2026-04-13 07:09:24

●A213.187.84.1672026-03-12 → 2026-04-13 · 3 obs

○ 2020-02-02 09:26:00
● 2026-03-12 03:01:40
● 2026-04-13 07:09:24

○A213.187.93.1812020-02-02 → 2020-02-02 · 4 obs

○ 2017-02-18 16:36:04
● 2020-02-02 09:26:00
○ 2026-03-12 03:01:40
○ 2026-04-13 07:09:24

○A213.187.93.1932015-07-11 → 2017-02-18 · 4 obs

● 2015-07-11 07:00:14
● 2017-02-18 16:36:04
○ 2020-02-02 09:26:00
○ 2026-04-13 07:09:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
hartnackschule.de	a.ns14.net, c.ns14.net, b.ns14.net, d.ns14.net	-

✅ Authoritative Response

Server:217.160.80.160

NS records: a.ns14.net, c.ns14.net, b.ns14.net, d.ns14.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hartnackschule.de (unsigned zone)

⏱️ Timing

Total: 872ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`213.187.84.167`
NS	4	`c.ns14.net, b.ns14.net...`
MX	1	`mail.hartnackschule.de (pri: 10)`
SOA	1	`a.ns14.net autodnsrobot.b-connect.de`

Analysis

Hierarchy

hartnackschule.de is parent of mail.hartnackschule.de.

IP Addresses

hartnackschule.de points to a single IP: 213.187.84.167.

Other host names, for instance mail.etebier.com, imap.hit-pcm.de, b-able.de, mail.drpol.de and imap.hit-pcm.com share IP numbers with hartnackschule.de.

Name Servers

hartnackschule.de is delegated to four name servers: a.ns14.net, b.ns14.net, c.ns14.net and d.ns14.net.

hartnackschule.de at least partially shares its name servers with other domains, for instance girokonto-testsieger.de, jobs-radiologie.de, gfk.mobi, hfchristiansen.dk and getriebe-umbau.de.

Host names with two IPs: a.ns14.net points to 2001:8d8:fe:53:217:160:80:160 and 217.160.80.160; b.ns14.net points to 2001:8d8:fe:53:217:160:81:160 and 217.160.81.160; c.ns14.net points to 2607:f1c0:fe:53:185:132:35:160 and 185.132.35.160; d.ns14.net points to 2607:f1c0:fe:53:185:132:34:160 and 185.132.34.160.

Mail Servers

hartnackschule.de is served by a single mail server, mail.hartnackschule.de.

mail.hartnackschule.de points to IP number 213.187.84.167.

hartnackschule.de - robtex.com