`b-twice.de`

DNSSEC	⚠️ Not signed
A	2a01:238:20a:202:1086::^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
		PTR	`w86.rzone.de`
A	81.169.145.86^{🇩🇪 STRATO81.169.144.0/22 AG}
NS	`docks01.rzone.de` ⭐
		A	2001:8d8:fe:53:5747:2a74:d:1^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`docks01.rzone.de`
		A	217.160.80.128^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`docks01.rzone.de`
NS	`shades14.rzone.de`
		A	2607:f1c0:fe:53:185:132:34:141^{🇺🇸 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	`shades14.rzone.de`
		A	185.132.34.141^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`shades14.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	`docks01.rzone.de`hostmaster@strato-rz.de 2020-06-13 #14

`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=1775949201

Same first word

b-twice.de

Similar names

web-ict.com

itc-web.de

cit-web.de

web-tic.cl

tic-web.com

cit-web.co.jp

web-tic.com

cite-wb.com

cti-web.org

itc-web.com

web-itc.be

web-cit.de

cit-web.com

tic-web.co.jp

itc-web.jp

ibw-tec.de

cti-web.com

tci-web.co.jp

wib-tec.de

DNS History

8 records (5 active, 3 former)

●NSdocks01.rzone.de2015-05-26 → 2026-04-11 · 2 obs

● 2015-05-26 01:10:30
● 2026-04-11 23:25:20

●NSshades14.rzone.de2015-05-26 → 2026-04-11 · 2 obs

● 2015-05-26 01:10:30
● 2026-04-11 23:25:20

○MXsmtp.rzone.de2015-05-26 → 2016-07-09 · 4 obs

● 2015-05-26 01:10:30
● 2016-07-09 16:35:12
○ 2019-04-07 11:57:46
○ 2026-04-11 23:25:20

●MXsmtpin.rzone.de2019-04-07 → 2026-04-11 · 3 obs

○ 2016-07-09 16:35:12
● 2019-04-07 11:57:46
● 2026-04-11 23:25:20

●A2a01:238:20a:202:1086::2026-03-26 → 2026-04-11 · 3 obs

○ 2019-04-07 11:57:46
● 2026-03-26 14:48:46
● 2026-04-11 23:25:20

○A2a01:238:20a:202:1148::2015-05-26 → 2019-04-07 · 4 obs

● 2015-05-26 01:10:30
● 2019-04-07 11:57:46
○ 2026-03-26 14:48:46
○ 2026-04-11 23:25:20

○A81.169.145.1482015-05-26 → 2019-04-07 · 4 obs

● 2015-05-26 01:10:30
● 2019-04-07 11:57:46
○ 2026-03-26 14:48:46
○ 2026-04-11 23:25:20

●A81.169.145.862026-03-26 → 2026-04-11 · 3 obs

○ 2019-04-07 11:57:46
● 2026-03-26 14:48:46
● 2026-04-11 23:25:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
b-twice.de	shades14.rzone.de, docks01.rzone.de	-

✅ Authoritative Response

Server:217.160.80.128

NS records: shades14.rzone.de, docks01.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for b-twice.de (unsigned zone)

⏱️ Timing

Total: 1437ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.169.145.86`
AAAA	1	`2a01:238:20a:202:1086::`
NS	2	`shades14.rzone.de, docks01.rzone.de`
MX	1	`smtpin.rzone.de (pri: 5)`
SOA	1	`docks01.rzone.de hostmaster.strato-rz.de`

Analysis

IP Addresses

b-twice.de resolves to two IP numbers: 2a01:238:20a:202:1086:: and 81.169.145.86.

other host names including scoole.eu, ra-hillig.eu, sekonda.de, storageandfitch.com and rufy.de share IP numbers with b-twice.de.

Name Servers

b-twice.de is delegated to two name servers docks01.rzone.de and shades14.rzone.de.

b-twice.de shares the same name server setup as other domains, for instance rubbelonline.de, wsd-schleiftechnik.com, tv-lautenbach.de, mbsr.berlin and mic-in-berlin.de.

b-twice.de at least partially shares name servers with other domains, for instance we-engineer.com, mobile-citygate.com, sonja-deicke.de, 6642.de and freelisting.de.

These name servers are commonly used with the following name servers: docks15.rzone.de, docks02.rzone.de, shades07.rzone.de, shades20.rzone.de, shades13.rzone.de, docks14.rzone.de, docks07.rzone.de, docks05.rzone.de, docks08.rzone.de and shades19.rzone.de.

Host names with two IP numbers:

The host name docks01.rzone.de points to 2001:8d8:fe:53:5747:2a74:d:1 and 217.160.80.128; the host name shades14.rzone.de points to 2607:f1c0:fe:53:185:132:34:141 and 185.132.34.141.

Mail Servers

b-twice.de is handled by a single mail server, smtpin.rzone.de.

b-twice.de shares the same mail server setup as other domains, for instance vipmagazin.de, helmut-knittel-zahntechnik.de, faltinsky.de, sharepoint.systems and ksst-villingen.de.

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

b-twice.de - robtex.com

b-twice.de

de