dkpto.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 9 February 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 172.232.147.252 is hosted by Akamai Connected Cloud (AS63949) in Sweden. Mail is handled by dkpto-dk.p-v1.mx.microsoft. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 172.232.147.252 | 43200s | 172-232-147-252.ip.linodeusercontent.com | AS63949 | Akamai Connected Cloud | 172.232.128.0/17 | 🇸🇪 Sweden | Stockholm |
| 172.233.57.17 | 43200s | 172-233-57-17.ip.linodeusercontent.com | AS63949 | Akamai Connected Cloud | 172.233.0.0/16 | 🇳🇱 The Netherlands | Amsterdam |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.168 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2600:3c09::f03c:94ff:fed1:f1bb | 43200s | — | AS63949 | Akamai Connected Cloud | 2600:3c08:0:0:0:0:0:0/30 | 🇸🇪 Sweden | Stockholm |
| 2600:3c0e::f03c:94ff:fed1:4ea | 43200s | — | AS63949 | Akamai Connected Cloud | 2600:3c0e:0:0:0:0:0:0/32 | 🇳🇱 The Netherlands | Amsterdam |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 10 | 443 | autodiscover.dkpto.dk |
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| _globalsign-domain-verification=BCw7dwJCbUKnpjZ_OH_3yDXfjqQZVBFqq7na0vUFcU |
| apple-domain-verification=lswmPwXAaf5HsHU7 |
| google-site-verification=CLMXcraMS7asouK_tRRXVL6IWSvahGjQ7acjGDldjNo |
| MS=ms82463545 |
| Patent- og Varemaerkestyrelsen |
| v=spf1 ip4:149.72.77.110 ip4:5.56.147.244 ip4:5.56.147.212 ip4:5.56.147.214 ip4:188.64.157.5/30 include:uxmail.io include:cmail1.com include:spf.protection.outlook.com include:spf.topdesk.net -all |
| yVZybZVwBsT6VVufa6b0d2MJWoZS9hs/lPXv593owsRh0imqJyKkXmmMW5uLEl6s/MibGdckPiWpYf5wRRms5g== |
| Policy | Record (dkpto.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:149.72.77.110 ip4:5.56.147.244 ip4:5.56.147.212 ip4:5.56.147.214 ip4:188.64.157.5/30 include:uxmail.io include:cmail1.com include:spf.protection.outlook.com include:spf.topdesk.net -all |
| Policy | Record (_dmarc.dkpto.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; adkim=r; fo=1; ri=259200; rua=mailto:dmarc_agg@vali.email |
| www CNAME | www.dkpto.dk.edgekey.net (all on edgekey.net) |
| www vs bare domain | Different networks dkpto.dk: 172.232.147.252 172.233.57.17 2600:3c09::f03c:94ff:fed1:f1bb 2600:3c0e::f03c:94ff:fed1:4ea (AS63949) (all like this)www.dkpto.dk: 2.23.172.115 2.23.172.131 2a02:26f0:3b::5f64:9b98 2a02:26f0:3b::5f64:9bc0 (AS20940) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u21939629.wl130.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u21939629.wl130.sendgrid.net | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 4/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.dkpto.dk | 9xvDIj37yPvDxWfQnmccAdyT7FKRjhIYgI9LavPRvg0 |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.dkpto-dk.p-v1.mx.microsoft | DANE-TA · Full cert · SHA-256 | 38D895F5105BC2545822C17A2444F4B0… |
| SMTP _25._tcp.dkpto-dk.p-v1.mx.microsoft | DANE-EE · SPKI · SHA-256 | C495D9E40F7E625BE22F83CC64305182… |
| SMTP _25._tcp.dkpto-dk.p-v1.mx.microsoft | DANE-TA · Full cert · SHA-256 | 5F88694615E4C61686E106B84C3338C6… |
| SMTP _25._tcp.dkpto-dk.p-v1.mx.microsoft | DANE-TA · Full cert · SHA-256 | 6EBFF927297A5B3AAF5EAE672252C36A… |
| SMTP _25._tcp.dkpto-dk.p-v1.mx.microsoft | DANE-EE · SPKI · SHA-256 | 133086C7B822371A4A3304F1661A7880… |
| SMTP _25._tcp.dkpto-dk.p-v1.mx.microsoft | DANE-EE · SPKI · SHA-256 | A6C267923B26A4A9617EDA73D8DB4FBC… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026061201 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 1996-02-09 |
| Expires | 2027-03-31 (162d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 18:32:00 | 1926ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-30 23:59:51 | 1735ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-29 23:54:42 | 1296ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-24 22:48:01 | 2655ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-23 11:04:09 | 2143ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-14 17:56:02 | 1289ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-02 09:22:59 | 945ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-26 10:48:31 | 960ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-18 19:00:08 | 5583ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-14 15:28:05 | 1393ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-16 16:14:25 | 1195ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-25 18:11:07 shown | 1131ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-17 03:50:20 | 834ms | 2 NS 2 A 1 MX | 🔒 Secure |