`hertie-school.net`

DNSSEC	⚠️ Not signed
A	89.31.143.90^{🇩🇪 UDAG89.31.143.0/24}
NS	`ns.udag.de` ⭐
		A	2001:8d8:fe:53:217:160:80:253^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns.udag.de`
		A	217.160.80.253^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns.udag.de`
NS	`ns.udag.net`
		A	2607:f1c0:fe:53:185:132:33:253^{🇺🇸 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.udag.net`
		A	185.132.33.253^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns.udag.net`
NS	`ns.udag.org`
		A	2607:f1c0:fe:53:185:132:34:253^{🇺🇸 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.udag.org`
		A	185.132.34.253^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns.udag.org`
MX	`mx00.udag.de` ⭐
		A	62.146.106.39^{🇩🇪 IPX-AS1559862.146.104.0/22 NorthC Deutschland GmbH}
			PTR	`mx00.udag.de`
MX	`mx01.udag.de`⁽²⁰⁾
		A	62.146.106.40^{🇩🇪 IPX-AS1559862.146.104.0/22 NorthC Deutschland GmbH}
			PTR	`mx01.udag.de`
TXT	`v=spf1 include:_smtp.udag.de ~all`
SOA	`ns.udag.de`hostmaster@united-domains.de 2023-12-18 #8

`net`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1778681611

Same first word

hertie-school.info

hertie-school.email

hertie-school.org

hertie-school.nl

hertie-school.biz

hertie-school.net

DNS History

14 records (6 active, 8 former)

●NSns.udag.de2026-04-10 → 2026-05-13 · 3 obs

○ 2019-03-31 00:02:18
● 2026-04-10 07:47:50
● 2026-05-13 14:22:06

●NSns.udag.net2026-04-10 → 2026-05-13 · 3 obs

○ 2019-03-31 00:02:18
● 2026-04-10 07:47:50
● 2026-05-13 14:22:06

●NSns.udag.org2026-04-10 → 2026-05-13 · 3 obs

○ 2019-03-31 00:02:18
● 2026-04-10 07:47:50
● 2026-05-13 14:22:06

○NSns1.s-dns.de2015-08-02 → 2017-02-08 · 4 obs

● 2015-08-02 21:03:36
● 2017-02-08 11:12:34
○ 2019-03-31 00:02:18
○ 2026-05-13 14:22:06

○NSns2.s-dns.de2015-08-02 → 2017-02-08 · 4 obs

● 2015-08-02 21:03:36
● 2017-02-08 11:12:34
○ 2019-03-31 00:02:18
○ 2026-05-13 14:22:06

○NSpns01.dcsix.net2019-03-31 → 2019-03-31 · 4 obs

○ 2017-02-08 11:12:34
● 2019-03-31 00:02:18
○ 2026-04-10 07:47:50
○ 2026-05-13 14:22:06

○NSpns02.dcsix.net2019-03-31 → 2019-03-31 · 4 obs

○ 2017-02-08 11:12:34
● 2019-03-31 00:02:18
○ 2026-04-10 07:47:50
○ 2026-05-13 14:22:06

○NSpns03.dcsix.net2019-03-31 → 2019-03-31 · 4 obs

○ 2017-02-08 11:12:34
● 2019-03-31 00:02:18
○ 2026-04-10 07:47:50
○ 2026-05-13 14:22:06

○NSpns04.dcsix.net2019-03-31 → 2019-03-31 · 4 obs

○ 2017-02-08 11:12:34
● 2019-03-31 00:02:18
○ 2026-04-10 07:47:50
○ 2026-05-13 14:22:06

○MXmail.hertie-school.net2015-08-02 → 2019-03-31 · 4 obs

● 2015-08-02 21:03:36
● 2019-03-31 00:02:18
○ 2026-04-10 07:47:50
○ 2026-05-13 14:22:06

●MXmx00.udag.de2026-04-10 → 2026-05-13 · 3 obs

○ 2019-03-31 00:02:18
● 2026-04-10 07:47:50
● 2026-05-13 14:22:06

●MXmx01.udag.de2026-04-10 → 2026-05-13 · 3 obs

○ 2019-03-31 00:02:18
● 2026-04-10 07:47:50
● 2026-05-13 14:22:06

○A212.77.229.1452015-08-02 → 2019-03-31 · 4 obs

● 2015-08-02 21:03:36
● 2019-03-31 00:02:18
○ 2026-04-10 07:47:50
○ 2026-05-13 14:22:06

●A89.31.143.902026-04-10 → 2026-05-13 · 3 obs

○ 2019-03-31 00:02:18
● 2026-04-10 07:47:50
● 2026-05-13 14:22:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	j.gtld-servers.net, g.gtld-servers.net, f.gtld-servers.net, k.gtld-servers.net...	-
hertie-school.net	ns.udag.de, ns.udag.net, ns.udag.org	2 records

✅ Authoritative Response

Server:185.132.33.253

NS records: ns.udag.de, ns.udag.net, ns.udag.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hertie-school.net (unsigned zone)

⏱️ Timing

Total: 2319ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`89.31.143.90`
NS	3	`ns.udag.de, ns.udag.org...`
MX	2	`mx01.udag.de (pri: 20), mx00.udag.de (pri: 10)`
TXT	1	`v=spf1 include:_smtp.udag.de ~all`
SOA	1	`ns.udag.de hostmaster.united-domains.de`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.udag.net, ns.udag.net)

Analysis

IP Addresses

hertie-school.net resolves to one IP number: 89.31.143.90.

other host names including betterhomes.fr, hyco.at, supracell.de, tampon-encreur.fr and securide.de share IP numbers with hertie-school.net.

Name Servers

hertie-school.net is delegated to three name servers ns.udag.de, ns.udag.net and ns.udag.org.

hertie-school.net at least partially shares name servers with other domains, for instance luxury-yachts.net, we-for-recyclate.com, ksk-ostalb.com, 21.casino and floriandahms.com.

Host names with two IP numbers:

ns.udag.de points to: 2001:8d8:fe:53:217:160:80:253 and 217.160.80.253.

ns.udag.net points to: 2607:f1c0:fe:53:185:132:33:253 and 185.132.33.253.

ns.udag.org points to: 2607:f1c0:fe:53:185:132:34:253 and 185.132.34.253.

Mail Servers

Two mail servers handle hertie-school.net: mx00.udag.de and mx01.udag.de.

hertie-school.net shares the same mail server setup as other domains, for instance horseandridertherapy.eu, hypno-slim.com, pallmekoenig.de, windschutzscheibe-tauschen.at and mvbm.de.

Host names with one IP number:

mx00.udag.de points to 62.146.106.39

mx01.udag.de points to 62.146.106.40

hertie-school.net - robtex.com