hfmt-koeln.de - robtex.com

hfmt-koeln.de

DNSSEC⚠️ Not signed
A45.144.187.21🇩🇪 MITTWALD-AS45.144.184.0/22 Mittwald CM Service GmbH und Co. KG
NSnsa4.schlundtech.de ⭐
A2607: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
PTRns-stec.ui-dns.com
A185.132.34.227🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns-stec.ui-dns.com
NSnsb4.schlundtech.de
A2607: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
PTRns-stec.ui-dns.org
A185.132.35.227🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns-stec.ui-dns.org
NSnsc4.schlundtech.de
A2001:8d8:fe:53:217:160:80:227🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns-stec.ui-dns.de
A217.160.80.227🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns-stec.ui-dns.de
NSnsd4.schlundtech.de
A2001:8d8:fe:53:217:160:81:227🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns-stec.ui-dns.biz
A217.160.81.227🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns-stec.ui-dns.biz
MXmx04.hfmt-koeln.de ⭐
A212.117.75.199🇩🇪 NETCOLOGNE212.117.64.0/19 NetCologne PA Space
PTRmx04.hfmt-koeln.de
MXmx02.hfmt-koeln.de(20)
A212.117.75.194🇩🇪 NETCOLOGNE212.117.64.0/19 NetCologne PA Space
PTRmx02.hfmt-koeln.de
TXTPS=ms55690985
TXTcisco-ci-domain-verification=5fc670ac79ddaa11abbe53a01426f27d96d5cf9f09f2d219...
TXTv=spf1 a:mx04.hfmt-koeln.de a:mx02.hfmt-koeln.de mx:hfmt-koeln.de include:spf...
TXTdomainVerification=d83577bf-aa08-469e-8af7-95707df7b491
TXTduo_sso_verification=Qw9yDG9PBBXspLXXavlzxdhqoQexJxkvccjmX9IyrvKes9X8vLHIWpjA...
TXTapple-domain-verification=0gapPdmfpa13Cq15
TXTgoogle-site-verification=iZdpwpyV5KPkXnj03mts231LZ1U2JJoiM8Uf6L7y0LI
TXTspycloud-domain-verification=ad9f0500-0c3e-4b57-9c15-353783ca74e2
SOAnsa4.schlundtech.declaus\@schwellenbach.hfmt-koeln.de 2025-10-14 #1

de

DNSSEC🔒 Signed (DS record present)
NSf.nic.de ⭐
NSa.nic.de
NSl.de.net ⚠️ Not in parent delegation
NSn.de.net ⚠️ Not in parent delegation
NSs.de.net ⚠️ Not in parent delegation
NSz.nic.de
SOAf.nic.dedns-operations@denic.de serial=1776914543
rank #251631 globally
rank #10787 in the tld
📈 Tranco rank: #237,508

Subdomains

mail.hfmt-koeln.de
mx04.hfmt-koeln.de
mx02.hfmt-koeln.de
www.hfmt-koeln.de
mx01.hfmt-koeln.de

Same first word

hfmt-koeln.de

DNS History

10 records (7 active, 3 former)

20162017201820192020202120222023202420252026NSnsa4.schlundtech.densb4.schlundtech.densc4.schlundtech.densd4.schlundtech.deMXmx02.hfmt-koeln.demx04.hfmt-koeln.demx01.hfmt-koeln.demx03.hfmt-koeln.deA45.144.187.21212.117.75.197
●NSnsa4.schlundtech.de2015-07-21 → 2026-04-23 · 2 obs
● 2015-07-21 12:08:00
● 2026-04-23 03:46:30
●NSnsb4.schlundtech.de2015-07-21 → 2026-04-23 · 2 obs
● 2015-07-21 12:08:00
● 2026-04-23 03:46:30
●NSnsc4.schlundtech.de2015-07-21 → 2026-04-23 · 2 obs
● 2015-07-21 12:08:00
● 2026-04-23 03:46:30
●NSnsd4.schlundtech.de2015-07-21 → 2026-04-23 · 2 obs
● 2015-07-21 12:08:00
● 2026-04-23 03:46:30
○MXmx01.hfmt-koeln.de2015-07-21 → 2017-07-05 · 4 obs
● 2015-07-21 12:08:00
● 2017-07-05 23:42:56
○ 2026-02-17 04:54:20
○ 2026-04-23 03:46:30
●MXmx02.hfmt-koeln.de2016-08-11 → 2026-04-23 · 3 obs
○ 2015-07-21 12:08:00
● 2016-08-11 13:49:34
● 2026-04-23 03:46:30
○MXmx03.hfmt-koeln.de2016-08-11 → 2017-07-05 · 5 obs
○ 2015-07-21 12:08:00
● 2016-08-11 13:49:34
● 2017-07-05 23:42:56
○ 2026-02-17 04:54:20
○ 2026-04-23 03:46:30
●MXmx04.hfmt-koeln.de2026-02-17 → 2026-04-23 · 3 obs
○ 2017-07-05 23:42:56
● 2026-02-17 04:54:20
● 2026-04-23 03:46:30
○A212.117.75.1972015-07-21 → 2017-07-05 · 4 obs
● 2015-07-21 12:08:00
● 2017-07-05 23:42:56
○ 2026-02-17 04:54:20
○ 2026-04-23 03:46:30
●A45.144.187.212026-02-17 → 2026-04-23 · 3 obs
○ 2017-07-05 23:42:56
● 2026-02-17 04:54:20
● 2026-04-23 03:46:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
hfmt-koeln.densd4.schlundtech.de, nsa4.schlundtech.de, nsb4.schlundtech.de, nsc4.schlundtech.de-

✅ Authoritative Response

Server:217.160.80.227

NS records: nsd4.schlundtech.de, nsa4.schlundtech.de, nsb4.schlundtech.de, nsc4.schlundtech.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hfmt-koeln.de (unsigned zone)

⏱️ Timing

Total: 1098ms | Queries: -

📄 Records

TypeCountSample Data
A145.144.187.21
NS4nsa4.schlundtech.de, nsb4.schlundtech.de...
MX2mx04.hfmt-koeln.de (pri: 5), mx02.hfmt-koeln.de (pri: 20)
TXT8PS=ms55690985, cisco-ci-domain-verification=5fc670ac79d...
SOA1nsa4.schlundtech.de claus\.schwellenbach

Analysis

Hierarchy

hfmt-koeln.de is parent of mail.hfmt-koeln.de, mx04.hfmt-koeln.de, mx02.hfmt-koeln.de, www.hfmt-koeln.de and mx01.hfmt-koeln.de.

IP Addresses

hfmt-koeln.de points to an IP address: 45.144.187.21.

other host names include www.frankfurt-suchthilfe.de, againe.com, officechairs.bblogs.de, lifesteil.at and computerfachmagazin.de; they share IP numbers with hfmt-koeln.de.

Name Servers

hfmt-koeln.de delegates to four name servers: nsa4.schlundtech.de, nsb4.schlundtech.de, nsc4.schlundtech.de and nsd4.schlundtech.de.

hfmt-koeln.de at least partially shares name servers with other domains, for instance syscologne.de, instandhaltungsmanagement.net, narayana-games.de, radermacher-info.de and meinzahn.net.

Host names with two IP numbers: nsa4.schlundtech.de points to 2607:f1c0:fe:53:185:132:34:227 and 185.132.34.227; nsb4.schlundtech.de points to 2607:f1c0:fe:53:185:132:35:227 and 185.132.35.227; nsc4.schlundtech.de points to 2001:8d8:fe:53:217:160:80:227 and 217.160.80.227; nsd4.schlundtech.de points to 2001:8d8:fe:53:217:160:81:227 and 217.160.81.227.

Mail Servers

hfmt-koeln.de is handled by two mail servers: mx02.hfmt-koeln.de and mx04.hfmt-koeln.de.

hfmt-koeln.de shares at least some mail servers with other domains, for instance mhs-koeln.de.

these mail servers are commonly used together with mx03.hfmt-koeln.de.

Host names with one IP:

mx02.hfmt-koeln.de points to: 212.117.75.194

mx04.hfmt-koeln.de points to: 212.117.75.199