`cathrinpfeifer.de`

DNSSEC	⚠️ Not signed
A	136.243.9.79^{🇩🇪 Hetzner136.243.0.0/16 HETZNER-RZ-BLK-ERX3}
		PTR	`mail.falk-nisius.de`
NS	`nsa5.schlundtech.de` ⭐
		A	2607:f1c0:fe:53:185:132:34:227^{🇺🇸 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-stec.ui-dns.com`
		A	185.132.34.227^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns-stec.ui-dns.com`
NS	`nsb5.schlundtech.de`
		A	2607:f1c0:fe:53:185:132:35:227^{🇺🇸 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-stec.ui-dns.org`
		A	185.132.35.227^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns-stec.ui-dns.org`
NS	`nsc5.schlundtech.de`
		A	2001:8d8:fe:53:217:160:80:227^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-stec.ui-dns.de`
		A	217.160.80.227^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-stec.ui-dns.de`
NS	`nsd5.schlundtech.de`
		A	2001:8d8:fe:53:217:160:81:227^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-stec.ui-dns.biz`
		A	217.160.81.227^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-stec.ui-dns.biz`
MX	`mail.falk-nisius.de` ⭐
		A	136.243.9.79^{🇩🇪 Hetzner136.243.0.0/16 HETZNER-RZ-BLK-ERX3}
			PTR	`mail.falk-nisius.de`
TXT	`v=spf1 a mx -all`
SOA	`nsa5.schlundtech.de`falknisius@gmx.de 2019-06-11 #1

`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=1778467429

Subdomains

mail.cathrinpfeifer.de

DNS History

8 records (6 active, 2 former)

●NSnsa5.schlundtech.de2015-07-18 → 2026-05-11 · 2 obs

● 2015-07-18 23:20:06
● 2026-05-11 02:59:46

●NSnsb5.schlundtech.de2015-07-18 → 2026-05-11 · 2 obs

● 2015-07-18 23:20:06
● 2026-05-11 02:59:46

●NSnsc5.schlundtech.de2015-07-18 → 2026-05-11 · 2 obs

● 2015-07-18 23:20:06
● 2026-05-11 02:59:46

●NSnsd5.schlundtech.de2015-07-18 → 2026-05-11 · 2 obs

● 2015-07-18 23:20:06
● 2026-05-11 02:59:46

○MXmail.cathrinpfeifer.de2015-07-18 → 2019-01-08 · 4 obs

● 2015-07-18 23:20:06
● 2019-01-08 16:36:36
○ 2026-05-11 02:59:44
○ 2026-05-11 02:59:46

●MXmail.falk-nisius.de2026-05-11 → 2026-05-11 · 3 obs

○ 2019-01-08 16:36:36
● 2026-05-11 02:59:44
● 2026-05-11 02:59:46

●A136.243.9.792015-11-26 → 2026-05-11 · 3 obs

○ 2015-07-18 23:20:06
● 2015-11-26 04:56:44
● 2026-05-11 02:59:46

○A78.46.102.692015-07-18 → 2015-07-18 · 3 obs

● 2015-07-18 23:20:06
○ 2015-11-26 04:56:44
○ 2026-05-11 02:59:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
cathrinpfeifer.de	nsb5.schlundtech.de, nsa5.schlundtech.de, nsd5.schlundtech.de, nsc5.schlundtech.de	-

✅ Authoritative Response

Server:185.132.35.227

NS records: nsb5.schlundtech.de, nsa5.schlundtech.de, nsd5.schlundtech.de, nsc5.schlundtech.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cathrinpfeifer.de (unsigned zone)

⏱️ Timing

Total: 2673ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`136.243.9.79`
NS	4	`nsc5.schlundtech.de, nsb5.schlundtech.de...`
MX	1	`mail.falk-nisius.de (pri: 10)`
TXT	1	`v=spf1 a mx -all`
SOA	1	`nsa5.schlundtech.de falknisius.gmx.de`

Analysis

Hierarchy

mail.cathrinpfeifer.de is a child of cathrinpfeifer.de.

IP Addresses

cathrinpfeifer.de resolves to one IP number: 136.243.9.79.

Other host names, for instance mail.falk-nisius.de, lesezeit.de, inisheer.de, iranindustry.de and falk-nisius.de share IP numbers with cathrinpfeifer.de.

Name Servers

cathrinpfeifer.de delegates to four name servers: nsa5.schlundtech.de, nsb5.schlundtech.de, nsc5.schlundtech.de and nsd5.schlundtech.de.

cathrinpfeifer.de at least partially shares name servers with other domains, including mvlsd.de, indienhausmainz.de, parkhalle-iserlohn.de, skyshot.tv and allnatura.company.

Host names with two IP numbers: nsa5.schlundtech.de points to 2607:f1c0:fe:53:185:132:34:227 and 185.132.34.227; nsb5.schlundtech.de points to 2607:f1c0:fe:53:185:132:35:227 and 185.132.35.227; nsc5.schlundtech.de points to 2001:8d8:fe:53:217:160:80:227 and 217.160.80.227; nsd5.schlundtech.de points to 2001:8d8:fe:53:217:160:81:227 and 217.160.81.227.

Mail Servers

A single mail server handles cathrinpfeifer.de, mail.falk-nisius.de.

cathrinpfeifer.de shares the same mail server setup as other domains, for instance garnie.de, lesezeit.de, inisheer.de, falknisius.de and iranindustry.de.

Host name mail.falk-nisius.de resolves to a single IP: 136.243.9.79.

cathrinpfeifer.de - robtex.com