`ufb-kassel.com`

DNSSEC	⚠️ Not signed
A	217.91.10.189^{🇩🇪 DTAG217.80.0.0/12 Deutsche Telekom AG, Internet service provider}
		PTR	`pd95b0abd.dip0.t-ipconnect.de`
NS	`docks12.rzone.de` ⭐
		A	2001:8d8:fe:53:5747:2a74:d:12^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`docks12.rzone.de`
		A	217.160.80.139^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`docks12.rzone.de`
NS	`shades06.rzone.de`
		A	2607:f1c0:fe:53:185:132:34:133^{🇺🇸 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	`shades06.rzone.de`
		A	185.132.34.133^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`shades06.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`
SOA	`docks12.rzone.de`hostmaster@strato-rz.de 2020-05-14 #18

`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=1778821106

Same first word

ufb-kassel.com

DNS History

7 records (4 active, 3 former)

●NSdocks12.rzone.de2015-07-14 → 2026-05-15 · 2 obs

● 2015-07-14 20:54:00
● 2026-05-15 05:15:40

●NSshades06.rzone.de2015-07-14 → 2026-05-15 · 2 obs

● 2015-07-14 20:54:00
● 2026-05-15 05:15:40

○MXsmtp.rzone.de2015-07-14 → 2020-02-14 · 4 obs

● 2015-07-14 20:54:00
● 2020-02-14 20:15:22
○ 2026-03-26 18:06:16
○ 2026-05-15 05:15:40

●MXsmtpin.rzone.de2026-03-26 → 2026-05-15 · 3 obs

○ 2020-02-14 20:15:22
● 2026-03-26 18:06:16
● 2026-05-15 05:15:40

●A217.91.10.1892016-03-22 → 2026-05-15 · 3 obs

○ 2015-12-06 19:43:08
● 2016-03-22 20:51:16
● 2026-05-15 05:15:40

○A2a01:238:20a:202:1091::2015-07-14 → 2015-12-06 · 4 obs

● 2015-07-14 20:54:00
● 2015-12-06 19:43:08
○ 2016-03-22 20:51:16
○ 2026-05-15 05:15:40

○A81.169.145.912015-07-14 → 2015-12-06 · 4 obs

● 2015-07-14 20:54:00
● 2015-12-06 19:43:08
○ 2016-03-22 20:51:16
○ 2026-05-15 05:15:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, c.gtld-servers.net, i.gtld-servers.net, d.gtld-servers.net...	-
ufb-kassel.com	shades06.rzone.de, docks12.rzone.de	-

✅ Authoritative Response

Server:217.160.80.139

NS records: shades06.rzone.de, docks12.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ufb-kassel.com (unsigned zone)

⏱️ Timing

Total: 758ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.91.10.189`
NS	2	`docks12.rzone.de, shades06.rzone.de`
MX	1	`smtpin.rzone.de (pri: 5)`
SOA	1	`docks12.rzone.de hostmaster.strato-rz.de`

Analysis

IP Addresses

ufb-kassel.com points to an IP address: 217.91.10.189.

Other host names, for instance pd95b0abd.dip0.t-ipconnect.de and ufb-earth.eu, share IP numbers with ufb-kassel.com.

Name Servers

Two name servers docks12.rzone.de and shades06.rzone.de handle the delegation for ufb-kassel.com.

ufb-kassel.com shares the same name server setup as other domains, for instance inyopi.de, kueche-auf-mass.de, frauenaerztinnen-konz.de, rhanson.de and nibbrig.net.

ufb-kassel.com at least partially shares name servers with other domains, for instance guentzel.biz, durit.mobi, saegewerk-heber.de, roetgens.com and espokoeln.eu.

these name servers are commonly used with docks19.rzone.de, docks17.rzone.de, docks18.rzone.de, shades04.rzone.de, shades10.rzone.de, shades17.rzone.de, shades01.rzone.de, shades08.rzone.de, shades19.rzone.de and shades18.rzone.de.

Host names with two IP numbers:

docks12.rzone.de points to 2001:8d8:fe:53:5747:2a74:d:12 and 217.160.80.139.

shades06.rzone.de points to 2607:f1c0:fe:53:185:132:34:133 and 185.132.34.133.

Mail Servers

ufb-kassel.com is handled by a single mail server, smtpin.rzone.de.

ufb-kassel.com uses the same mail server setup as other domains, for instance midiplan.com, teamdfl.de, endzoo.de, makom.com and chicksonspeed-records.com.

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

ufb-kassel.com - robtex.com

ufb-kassel.com

com