extnet.de - dns.ninja
extnet.de
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3031::ac43:a31dπΊπΈ Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3036::6815:fa1πΊπΈ Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.15.161Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.163.29πΊπΈ Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | addyson.ns.cloudflare.com β | ||||||
| A | 2606:4700:50::a29f:2644πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | addyson.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c244π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | addyson.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2244πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | addyson.ns.cloudflare.com | ||||||
| A | 108.162.194.68πΊπΈ Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | addyson.ns.cloudflare.com | ||||||
| A | 162.159.38.68Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | addyson.ns.cloudflare.com | ||||||
| A | 172.64.34.68πΊπΈ Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | addyson.ns.cloudflare.com | ||||||
| NS | coby.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b5cπΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | coby.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c15cπ¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | coby.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:215cπΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | coby.ns.cloudflare.com | ||||||
| A | 108.162.193.92πΊπΈ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | coby.ns.cloudflare.com | ||||||
| A | 172.64.33.92πΊπΈ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | coby.ns.cloudflare.com | ||||||
| A | 173.245.59.92πΊπΈ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | coby.ns.cloudflare.com | ||||||
| MX | smtp-in.portunity.de β | ||||||
| A | 2a02:a00::2:0:0:52π©πͺ PORTUNITY-AS2a02:a00::/34 Portunity GmbH | ||||||
| PTR | smtp-in.portunity.de | ||||||
| A | 217.144.128.52π©πͺ PORTUNITY-AS217.144.128.0/24 Portunity GmbH | ||||||
| PTR | smtp-in.portunity.de | ||||||
| MX | smtp-backup1.portunity.de(50) | ||||||
| A | 2a02:a00::2:0:0:54π©πͺ PORTUNITY-AS2a02:a00::/34 Portunity GmbH | ||||||
| PTR | smtp-backup1.portunity.de | ||||||
| A | 217.144.128.54π©πͺ PORTUNITY-AS217.144.128.0/24 Portunity GmbH | ||||||
| PTR | smtp-backup1.portunity.de | ||||||
| MX | smtp-backup2.portunity.de(100) | ||||||
| A | 2a03:4000:f:5b9::25π©πͺ netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| PTR | smtp-backup2-2.portunity.de | ||||||
| A | 37.120.186.72π©πͺ netcup-AS37.120.184.0/22 | ||||||
| TXT | v=spf1 include:set1.spf-cust.portunity.de ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.15.161, 172.67.163.29 | ||||||
| IPv6 hints | 2606:4700:3031::ac43:a31d, 2606:4700:3036::6815:fa1 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=186, name=cloudflare-ech.com | ||||||
| SOA | addyson.ns.cloudflare.comdns@cloudflare.com serial=2407859138 | ||||||
de
| DNSSEC | π Signed (DS record present) | ||||||
| NS | f.nic.de β | ||||||
| NS | a.nic.de | ||||||
| NS | l.de.net β οΈ Not in parent delegation | ||||||
| NS | n.de.net β οΈ Not in parent delegation | ||||||
| NS | s.de.net β οΈ Not in parent delegation | ||||||
| NS | z.nic.de | ||||||
| SOA | f.nic.dedns-operations@denic.de serial=1782927636 | ||||||
Same first word
Similar names
DNS History
19 records (9 active, 10 former)
βNSaddyson.ns.cloudflare.com2026-02-17 β 2026-07-01 Β· 3 obs
β 2026-02-17 19:59:24
β 2026-07-01 17:50:58
βNScoby.ns.cloudflare.com2026-02-17 β 2026-07-01 Β· 3 obs
β 2026-02-17 19:59:24
β 2026-07-01 17:50:58
βNSnsa7.schlundtech.de2015-07-03 β 2017-08-13 Β· 4 obs
β 2017-08-13 06:27:36
β 2026-02-17 19:59:24
β 2026-07-01 17:50:58
βNSnsb7.schlundtech.de2015-07-03 β 2017-08-13 Β· 4 obs
β 2017-08-13 06:27:36
β 2026-02-17 19:59:24
β 2026-07-01 17:50:58
βNSnsc7.schlundtech.de2015-07-03 β 2017-08-13 Β· 4 obs
β 2017-08-13 06:27:36
β 2026-02-17 19:59:24
β 2026-07-01 17:50:58
βNSnsd7.schlundtech.de2015-07-03 β 2017-08-13 Β· 4 obs
β 2017-08-13 06:27:36
β 2026-02-17 19:59:24
β 2026-07-01 17:50:58
βMXmail.extnet.de2015-07-03 β 2017-08-13 Β· 4 obs
β 2017-08-13 06:27:36
β 2026-02-17 19:59:24
β 2026-07-01 17:50:58
βMXsmtp-backup1.portunity.de2026-02-17 β 2026-07-01 Β· 3 obs
β 2026-02-17 19:59:24
β 2026-07-01 17:50:58
βMXsmtp-backup2.portunity.de2026-02-17 β 2026-07-01 Β· 3 obs
β 2026-02-17 19:59:24
β 2026-07-01 17:50:58
βMXsmtp-in.portunity.de2026-02-17 β 2026-07-01 Β· 3 obs
β 2026-02-17 19:59:24
β 2026-07-01 17:50:58
βA104.21.15.1612026-03-12 β 2026-07-01 Β· 3 obs
β 2026-03-12 17:22:30
β 2026-07-01 17:50:58
βA172.64.80.12026-02-17 β 2026-02-17 Β· 4 obs
β 2026-02-17 19:59:24
β 2026-03-12 17:22:30
β 2026-07-01 17:50:58
βA172.67.163.292026-03-12 β 2026-07-01 Β· 3 obs
β 2026-03-12 17:22:30
β 2026-07-01 17:50:58
βA2606:4700:130:436c:6f75:6466:6c61:72652026-02-17 β 2026-02-17 Β· 4 obs
β 2026-02-17 19:59:24
β 2026-03-12 17:22:30
β 2026-07-01 17:50:58
βA2606:4700:3031::6815:fa12026-03-12 β 2026-03-12 Β· 4 obs
β 2026-03-12 17:22:30
β 2026-06-26 03:38:50
β 2026-07-01 17:50:58
βA2606:4700:3031::ac43:a31d2026-03-12 β 2026-07-01 Β· 3 obs
β 2026-03-12 17:22:30
β 2026-07-01 17:50:58
βA2606:4700:3036::6815:fa12026-06-26 β 2026-07-01 Β· 3 obs
β 2026-06-26 03:38:50
β 2026-07-01 17:50:58
βA46.41.0.1092016-09-09 β 2017-08-13 Β· 5 obs
β 2016-09-09 08:40:00
β 2017-08-13 06:27:36
β 2026-02-17 19:59:24
β 2026-07-01 17:50:58
βA88.217.172.752015-07-03 β 2016-03-23 Β· 4 obs
β 2016-03-23 21:30:00
β 2016-09-09 08:40:00
β 2026-07-01 17:50:58
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | z.nic.de, a.nic.de, f.nic.de | - |
| extnet.de | addyson.ns.cloudflare.com, coby.ns.cloudflare.com | - |
β Authoritative Response
Server:173.245.59.92
NS records: addyson.ns.cloudflare.com, coby.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for extnet.de (unsigned zone)
β±οΈ Timing
Total: 1592ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.15.161, 172.67.163.29 |
| AAAA | 2 | 2606:4700:3036::6815:fa1, 2606:4700:3031::ac43:a31d |
| NS | 2 | addyson.ns.cloudflare.com, coby.ns.cloudflare.com |
| MX | 3 | smtp-in.portunity.de (pri: 10), smtp-backup2.portunity.de (pri: 100)... |
| TXT | 1 | v=spf1 include:set1.spf-cust.portunity.d |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | addyson.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.