extnet.de - dns.ninja

extnet.de

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:a31dπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:3036::6815:fa1πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.21.15.161Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A172.67.163.29πŸ‡ΊπŸ‡Έ Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
NSaddyson.ns.cloudflare.com ⭐
A2606:4700:50::a29f:2644πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaddyson.ns.cloudflare.com
A2803:f800:50::6ca2:c244πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRaddyson.ns.cloudflare.com
A2a06:98c1:50::ac40:2244πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRaddyson.ns.cloudflare.com
A108.162.194.68πŸ‡ΊπŸ‡Έ Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaddyson.ns.cloudflare.com
A162.159.38.68Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaddyson.ns.cloudflare.com
A172.64.34.68πŸ‡ΊπŸ‡Έ Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaddyson.ns.cloudflare.com
NScoby.ns.cloudflare.com
A2606:4700:58::adf5:3b5cπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcoby.ns.cloudflare.com
A2803:f800:50::6ca2:c15cπŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcoby.ns.cloudflare.com
A2a06:98c1:50::ac40:215cπŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRcoby.ns.cloudflare.com
A108.162.193.92πŸ‡ΊπŸ‡Έ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcoby.ns.cloudflare.com
A172.64.33.92πŸ‡ΊπŸ‡Έ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcoby.ns.cloudflare.com
A173.245.59.92πŸ‡ΊπŸ‡Έ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcoby.ns.cloudflare.com
MXsmtp-in.portunity.de ⭐
A2a02:a00::2:0:0:52πŸ‡©πŸ‡ͺ PORTUNITY-AS2a02:a00::/34 Portunity GmbH
PTRsmtp-in.portunity.de
A217.144.128.52πŸ‡©πŸ‡ͺ PORTUNITY-AS217.144.128.0/24 Portunity GmbH
PTRsmtp-in.portunity.de
MXsmtp-backup1.portunity.de(50)
A2a02:a00::2:0:0:54πŸ‡©πŸ‡ͺ PORTUNITY-AS2a02:a00::/34 Portunity GmbH
PTRsmtp-backup1.portunity.de
A217.144.128.54πŸ‡©πŸ‡ͺ PORTUNITY-AS217.144.128.0/24 Portunity GmbH
PTRsmtp-backup1.portunity.de
MXsmtp-backup2.portunity.de(100)
A2a03:4000:f:5b9::25πŸ‡©πŸ‡ͺ netcup-AS2a03:4000::/32 NETCUP-GMBH
PTRsmtp-backup2-2.portunity.de
A37.120.186.72πŸ‡©πŸ‡ͺ netcup-AS37.120.184.0/22
TXTv=spf1 include:set1.spf-cust.portunity.de ~all
HTTPSHTTP/3, HTTP/2 βœ“ hints match
IPv4 hints104.21.15.161, 172.67.163.29
IPv6 hints2606:4700:3031::ac43:a31d, 2606:4700:3036::6815:fa1
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=186, name=cloudflare-ech.com
SOAaddyson.ns.cloudflare.comdns@cloudflare.com serial=2407859138

de

DNSSECπŸ”’ 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=1782927636

Same first word

Similar names

DNS History

19 records (9 active, 10 former)

20162017201820192020202120222023202420252026NSaddyson.ns.cloudflare.comcoby.ns.cloudflare.comnsa7.schlundtech.densb7.schlundtech.densc7.schlundtech.densd7.schlundtech.deMXsmtp-backup1.portunity.desmtp-backup2.portunity.desmtp-in.portunity.demail.extnet.deA104.21.15.161172.67.163.292606:4700:3031::ac43:a31d2606:4700:3036::6815:fa1172.64.80.12606:4700:130:436c:6f75:6466:6c61:72652606:4700:3031::6815:fa146.41.0.10988.217.172.75
●NSaddyson.ns.cloudflare.com2026-02-17 β†’ 2026-07-01 Β· 3 obs
β—‹ 2017-08-13 06:27:36
● 2026-02-17 19:59:24
● 2026-07-01 17:50:58
●NScoby.ns.cloudflare.com2026-02-17 β†’ 2026-07-01 Β· 3 obs
β—‹ 2017-08-13 06:27:36
● 2026-02-17 19:59:24
● 2026-07-01 17:50:58
β—‹NSnsa7.schlundtech.de2015-07-03 β†’ 2017-08-13 Β· 4 obs
● 2015-07-03 15:43:36
● 2017-08-13 06:27:36
β—‹ 2026-02-17 19:59:24
β—‹ 2026-07-01 17:50:58
β—‹NSnsb7.schlundtech.de2015-07-03 β†’ 2017-08-13 Β· 4 obs
● 2015-07-03 15:43:36
● 2017-08-13 06:27:36
β—‹ 2026-02-17 19:59:24
β—‹ 2026-07-01 17:50:58
β—‹NSnsc7.schlundtech.de2015-07-03 β†’ 2017-08-13 Β· 4 obs
● 2015-07-03 15:43:36
● 2017-08-13 06:27:36
β—‹ 2026-02-17 19:59:24
β—‹ 2026-07-01 17:50:58
β—‹NSnsd7.schlundtech.de2015-07-03 β†’ 2017-08-13 Β· 4 obs
● 2015-07-03 15:43:36
● 2017-08-13 06:27:36
β—‹ 2026-02-17 19:59:24
β—‹ 2026-07-01 17:50:58
β—‹MXmail.extnet.de2015-07-03 β†’ 2017-08-13 Β· 4 obs
● 2015-07-03 15:43:36
● 2017-08-13 06:27:36
β—‹ 2026-02-17 19:59:24
β—‹ 2026-07-01 17:50:58
●MXsmtp-backup1.portunity.de2026-02-17 β†’ 2026-07-01 Β· 3 obs
β—‹ 2017-08-13 06:27:36
● 2026-02-17 19:59:24
● 2026-07-01 17:50:58
●MXsmtp-backup2.portunity.de2026-02-17 β†’ 2026-07-01 Β· 3 obs
β—‹ 2017-08-13 06:27:36
● 2026-02-17 19:59:24
● 2026-07-01 17:50:58
●MXsmtp-in.portunity.de2026-02-17 β†’ 2026-07-01 Β· 3 obs
β—‹ 2017-08-13 06:27:36
● 2026-02-17 19:59:24
● 2026-07-01 17:50:58
●A104.21.15.1612026-03-12 β†’ 2026-07-01 Β· 3 obs
β—‹ 2026-02-17 19:59:24
● 2026-03-12 17:22:30
● 2026-07-01 17:50:58
β—‹A172.64.80.12026-02-17 β†’ 2026-02-17 Β· 4 obs
β—‹ 2017-08-13 06:27:36
● 2026-02-17 19:59:24
β—‹ 2026-03-12 17:22:30
β—‹ 2026-07-01 17:50:58
●A172.67.163.292026-03-12 β†’ 2026-07-01 Β· 3 obs
β—‹ 2026-02-17 19:59:24
● 2026-03-12 17:22:30
● 2026-07-01 17:50:58
β—‹A2606:4700:130:436c:6f75:6466:6c61:72652026-02-17 β†’ 2026-02-17 Β· 4 obs
β—‹ 2017-08-13 06:27:36
● 2026-02-17 19:59:24
β—‹ 2026-03-12 17:22:30
β—‹ 2026-07-01 17:50:58
β—‹A2606:4700:3031::6815:fa12026-03-12 β†’ 2026-03-12 Β· 4 obs
β—‹ 2026-02-17 19:59:24
● 2026-03-12 17:22:30
β—‹ 2026-06-26 03:38:50
β—‹ 2026-07-01 17:50:58
●A2606:4700:3031::ac43:a31d2026-03-12 β†’ 2026-07-01 Β· 3 obs
β—‹ 2026-02-17 19:59:24
● 2026-03-12 17:22:30
● 2026-07-01 17:50:58
●A2606:4700:3036::6815:fa12026-06-26 β†’ 2026-07-01 Β· 3 obs
β—‹ 2026-03-12 17:22:30
● 2026-06-26 03:38:50
● 2026-07-01 17:50:58
β—‹A46.41.0.1092016-09-09 β†’ 2017-08-13 Β· 5 obs
β—‹ 2016-03-23 21:30:00
● 2016-09-09 08:40:00
● 2017-08-13 06:27:36
β—‹ 2026-02-17 19:59:24
β—‹ 2026-07-01 17:50:58
β—‹A88.217.172.752015-07-03 β†’ 2016-03-23 Β· 4 obs
● 2015-07-03 15:43:36
● 2016-03-23 21:30:00
β—‹ 2016-09-09 08:40:00
β—‹ 2026-07-01 17:50:58

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
dez.nic.de, a.nic.de, f.nic.de-
extnet.deaddyson.ns.cloudflare.com, coby.ns.cloudflare.com-

βœ… Authoritative Response

Server:173.245.59.92

NS records: addyson.ns.cloudflare.com, coby.ns.cloudflare.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for extnet.de (unsigned zone)

⏱️ Timing

Total: 1592ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A2104.21.15.161, 172.67.163.29
AAAA22606:4700:3036::6815:fa1, 2606:4700:3031::ac43:a31d
NS2addyson.ns.cloudflare.com, coby.ns.cloudflare.com
MX3smtp-in.portunity.de (pri: 10), smtp-backup2.portunity.de (pri: 100)...
TXT1v=spf1 include:set1.spf-cust.portunity.d
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1addyson.ns.cloudflare.com dns.cloudflare

Analysis

IP Addresses

extnet.de points to the four IP addresses 104.21.15.161, 172.67.163.29, 2606:4700:3031::ac43:a31d and 2606:4700:3036::6815:fa1.

Among the host names that share IP numbers with extnet.de are codv.io, mail.teachtreefruits.com, foamfabrications.com.au and two others.

Name Servers

Two name servers handle the delegation for extnet.de: addyson.ns.cloudflare.com and coby.ns.cloudflare.com.

extnet.de has the same name server delegation as a number of other domains, such as bajilives.com, doutorresolve.com.br, addonz.dev and two more.

There is at least partial name server overlap between extnet.de and other domains β€” farmhouselaundrymat.com, accinw.com, clm2app.xyz and two more among them.

These name servers frequently co-occur with the name servers osmar.ns.cloudflare.com and merlin.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

addyson.ns.cloudflare.com resolves to 108.162.194.68, 162.159.38.68 and 172.64.34.68 among others, with 3 other IP addresses in total.

coby.ns.cloudflare.com resolves to 108.162.193.92, 172.64.33.92 and 173.245.59.92 among others, with 3 other IP addresses in total.

Mail Servers

Incoming mail for extnet.de is delivered via three mail servers: smtp-backup1.portunity.de, smtp-backup2.portunity.de and smtp-in.portunity.de.

extnet.de shares at least some of its mail servers with other domains β€” for example sivertzen.net, gartenmauer.at, color-works.info and two more.

These mail servers are routinely seen in conjunction with the mail servers mail.lambeck.de and mail.ega-net.de.

smtp-backup1.portunity.de, smtp-backup2.portunity.de and smtp-in.portunity.de are three hostnames that each resolve to a pair of IP addresses: smtp-backup1.portunity.de to 217.144.128.54 and 2a02:a00::2:0:0:54, smtp-backup2.portunity.de to 37.120.186.72 and 2a03:4000:f:5b9::25, and smtp-in.portunity.de to 217.144.128.52 and 2a02:a00::2:0:0:52.