ptb.de - robtex.com

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`ptb.de`

DNSSEC	🔒 Signed (DS record present)
A	192.53.103.121^{🇩🇪 DFN}
		PTR	`u99121.bs.ptb.de`
NS	`ns1.ptb.de` ⭐ 🔒
		A	2001:638:610:bd02::14^{🇩🇪 DFN}
			PTR	`ns1.ptb.de`
		A	192.53.103.180^{🇩🇪 DFN}
			PTR	`dns1.bs.ptb.de`
NS	`dns-1.dfn.de` 🔒
		A	2001:638:d:b101::1^{🇩🇪 DFN}
			PTR	`dns-1.dfn.de`
		A	193.174.75.50^{🇩🇪 DFN}
			PTR	`dns-1.dfn.de`
NS	`dns-2.dfn.de` 🔒
		A	2001:638:d:b102::1^{🇩🇪 DFN}
			PTR	`dns-2.dfn.de`
		A	193.174.75.54^{🇩🇪 DFN}
			PTR	`dns-2.dfn.de`
NS	`dns-3.dfn.de` 🔒
		A	2001:638:d:b103::1^{🇩🇪 DFN}
			PTR	`dns-3.dfn.de`
		A	193.174.75.58^{🇩🇪 DFN}
			PTR	`dns-3.dfn.de`
MX	`mx1.bs.ptb.de` ⭐ 🔒
		A	2001:638:610:bd01::120^{🇩🇪 DFN}
			PTR	`mx1.bs.ptb.de`
		A	192.53.103.120^{🇩🇪 DFN}
			PTR	`mx1.bs.ptb.de`
MX	`mx1.berlin.ptb.de`⁽²⁰⁾ 🔒
		A	2001:638:610:cdce::61^{🇩🇪 DFN}
			PTR	`mx1.berlin.ptb.de`
		A	194.94.94.97^{🇩🇪 DFN}
TXT	`MS=ms585763033600`
TXT	`apple-domain-verification=XrEPkGN8FLiu5cwG`
TXT	`v=spf1 ip4:192.53.103.120/32 ip4:194.94.94.97/32 ip6:2001:638:610:bd01::120/1...`
SOA	`ns1.ptb.de`postmaster@ptb.de 2026-01-29 #21

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐ 🔒
	NS	`a.nic.de` 🔒
	NS	`l.de.net`⚠️ 🔒
	NS	`n.de.net`⚠️ 🔒
	NS	`s.de.net`⚠️ 🔒
	NS	`z.nic.de` 🔒
	SOA	`f.nic.de`dns-operations@denic.de serial=1770008031

rank #21661 globally
rank #609 in the tld
📈 Tranco rank: #18,961

Up

vce99232.ptb.de

ntp1.ptb.de

uhr.ptb.de

fwb.ptb.de

vce99229.ptb.de

u99117.ptb.de

ntp4.ptb.de

www.ptb.de

ptbtime3.ptb.de

ptbtime1.ptb.de

fw1-252e.ptb.de

ntp2.ptb.de

berlin.ptb.de

portal.ptb.de

fw1-253e.ptb.de

ptbtime2.ptb.de

win-gw1.ptb.de

ntp3.ptb.de

ntpsmgw2.ptb.de

ns1.ptb.de

ptbtime4.ptb.de

dkd.ptb.de

Same first word

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ptb.readthedocs.io

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bpt.ch

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btp.nl

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btp.cl

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btp.gg

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tbp.de

bpt.st

tpb.party

tbp.se

tpb.wiki

btp.lublin.pl

bpt.su

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
ptb.de	dns-1.dfn.de, ns1.ptb.de, dns-3.dfn.de, dns-2.dfn.de	2 records

✅ Authoritative Response

Server: 193.174.75.54

NS records: dns-1.dfn.de, ns1.ptb.de, dns-3.dfn.de, dns-2.dfn.de

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1950ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`192.53.103.121`
NS	4	`dns-3.dfn.de, dns-2.dfn.de...`
MX	2	`mx1.berlin.ptb.de (pri: 20), mx1.bs.ptb.de (pri: 10)`
TXT	3	`v=spf1 ip4:192.53.103.120/32 ip4:194.94., MS=ms585763033600...`
SOA	1	`ns1.ptb.de postmaster.ptb.de`

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns1.ptb.de, ns1.ptb.de)

AI analysis

ptb.de is the parent of vce99232.ptb.de, ntp1.ptb.de, uhr.ptb.de, fwb.ptb.de, vce99229.ptb.de and a few other host names.

ptb.de resolves to one IP number: 192.53.103.121.

other host names including eumetrispec.eu, imeko.info, ex-network.org, ptb.eu and imeko.org share IP numbers with ptb.de.

ptb.de is delegated to four name servers: dns-1.dfn.de, dns-2.dfn.de, dns-3.dfn.de and ns1.ptb.de.

ptb.de at least partially shares name servers with other domains, for instance icss.rwth-aachen.de, obuchenie-na-osnove-intervyu.org, medvz-leipzig.de, unv.de and psychologie.uni-kiel.de.

These name servers are commonly used with the following name servers: zs1.rz.rwth-aachen.de, zs2.rz.rwth-aachen.de, deneb.dfn.de, dnsx1.helmholtz-muenchen.de, dnsx2.helmholtz-muenchen.de, adns1.zih.tu-dresden.de, adns2.zih.tu-dresden.de, chaplin.rz.uni-frankfurt.de, wattdenn.rz.uni-frankfurt.de and dns-1.fz-juelich.de.

Host names with two IP numbers:

dns-1.dfn.de points to 2001:638:d:b101::1 and 193.174.75.50; dns-2.dfn.de points to 2001:638:d:b102::1 and 193.174.75.54; dns-3.dfn.de points to 2001:638:d:b103::1 and 193.174.75.58; ns1.ptb.de points to 2001:638:610:bd02::14 and 192.53.103.180.

Two mail servers handle ptb.de: mx1.berlin.ptb.de and mx1.bs.ptb.de.

ptb.de shares the same mail server setup as other domains, for instance eumetrispec.eu, empironline.org, imeko.info, ex-network.org and ptb.eu.

Host names with two IP numbers:

The host name mx1.berlin.ptb.de points to 2001:638:610:cdce::61 and 194.94.94.97; the host name mx1.bs.ptb.de points to 2001:638:610:bd01::120 and 192.53.103.120.