`groessinghof.com`

DNSSEC	⚠️ Not signed
A	81.19.145.50^{🇦🇹 IONOS-AS81.19.144.0/20 World4You.com}
		PTR	`www30.world4you.com`
NS	`ns1.world4you.at` ⭐
		A	2607:f1c0:fe:53:185:132:32:253^{🇺🇸 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	`ns1.world4you.at`
		A	185.132.32.253^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1.world4you.at`
NS	`ns2.world4you.at`
		A	2001:8d8:fe:53:217:160:82:253^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns2.world4you.at`
		A	217.160.82.253^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns2.world4you.at`
MX	`mail.groessinghof.com` ⭐
		A	81.19.149.72^{🇦🇹 IONOS-AS81.19.144.0/20 World4You.com}
			PTR	`mail21.world4you.com`
TXT	`v=spf1 mx include:spf.w4ymail.at -all`
SOA	`ns1.world4you.at`hostmaster@world4you.com 2025-03-20 #2

`com`

	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=1776229717

Subdomains

mail.groessinghof.com

Same first word

groessinghof.com

DNS History

7 records (4 active, 3 former)

●NSns1.world4you.at2026-02-15 → 2026-04-15 · 3 obs

○ 2018-08-14 20:40:52
● 2026-02-15 18:49:12
● 2026-04-15 05:11:56

●NSns2.world4you.at2026-02-15 → 2026-04-15 · 3 obs

○ 2018-08-14 20:40:52
● 2026-02-15 18:49:12
● 2026-04-15 05:11:56

○NSns5.nameserverservice.de2015-07-13 → 2018-08-14 · 4 obs

● 2015-07-13 19:33:00
● 2018-08-14 20:40:52
○ 2026-02-15 18:49:12
○ 2026-04-15 05:11:56

○NSns6.nameserverservice.de2015-07-13 → 2018-08-14 · 4 obs

● 2015-07-13 19:33:00
● 2018-08-14 20:40:52
○ 2026-02-15 18:49:12
○ 2026-04-15 05:11:56

●MXmail.groessinghof.com2015-07-13 → 2026-04-15 · 2 obs

● 2015-07-13 19:33:00
● 2026-04-15 05:11:56

○A62.75.182.442015-07-13 → 2018-08-14 · 4 obs

● 2015-07-13 19:33:00
● 2018-08-14 20:40:52
○ 2026-02-15 18:49:12
○ 2026-04-15 05:11:56

●A81.19.145.502026-02-15 → 2026-04-15 · 3 obs

○ 2018-08-14 20:40:52
● 2026-02-15 18:49:12
● 2026-04-15 05:11:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, h.gtld-servers.net, g.gtld-servers.net, j.gtld-servers.net...	-
groessinghof.com	ns1.world4you.at, ns2.world4you.at	-

✅ Authoritative Response

Server:185.132.32.253

NS records: ns1.world4you.at, ns2.world4you.at

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for groessinghof.com (unsigned zone)

⏱️ Timing

Total: 374ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.19.145.50`
NS	2	`ns2.world4you.at, ns1.world4you.at`
MX	1	`mail.groessinghof.com (pri: 10)`
TXT	1	`v=spf1 mx include:spf.w4ymail.at -all`
SOA	1	`ns1.world4you.at hostmaster.world4you.co`

Analysis

Hierarchy

groessinghof.com is the parent of mail.groessinghof.com.

IP Addresses

groessinghof.com resolves to one IP number: 81.19.145.50.

other host names including dermeteor.net, blaxbock.com, pichlmayer.com, www.vogelspinne.at and stessl.eu share IP numbers with groessinghof.com.

Name Servers

groessinghof.com is delegated to two name servers ns1.world4you.at and ns2.world4you.at.

groessinghof.com shares the same name server setup as other domains, for instance reisner-net.eu, hotelwurzer.at, jk-consulting.net, knop.cc and city-park-vienna.at.

Host names with two IP numbers:

The host name ns1.world4you.at points to 2607:f1c0:fe:53:185:132:32:253 and 185.132.32.253; the host name ns2.world4you.at points to 2001:8d8:fe:53:217:160:82:253 and 217.160.82.253.

Mail Servers

groessinghof.com is handled by a single mail server, mail.groessinghof.com.

mail.groessinghof.com resolves to IP 81.19.149.72.

groessinghof.com - robtex.com