jakj.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 18 September 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 13.51.101.165 is hosted by Amazon.com, Inc. (AS16509) in Sweden. Mail is handled by mx.jakj.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 13.51.101.165 | 3600s | aws.bjarne-j.dk | AS16509 | Amazon.com, Inc. | 13.32.0.0/11 | 🇸🇪 Sweden | Stockholm |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx.jakj.dk | 13.51.101.165 | aws.bjarne-j.dk | AS16509 Amazon.com, Inc. |
| TXT Record |
|---|
| v=spf1 a mx ip4:217.61.239.6 ip4:185.134.30.145 ip4:13.51.101.165 ~all |
| Policy | Record (jakj.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx ip4:217.61.239.6 ip4:185.134.30.145 ip4:13.51.101.165 ~all |
| Policy | Record (_dmarc.jakj.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:postmaster@jakj.dk; |
| www CNAME | jakj.dk (all on jakj.dk) → 13.51.101.165 (AS16509) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | 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: 2/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2022112604 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2010-09-18 |
| Expires | 2027-09-30 (339d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 01:14:11 | 445ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 00:20:31 | 1041ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 00:13:14 | 481ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 04:54:56 | 1626ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-25 17:55:40 | 690ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-02 22:37:20 | 889ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 20:52:16 | 745ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 07:25:47 | 952ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 07:35:46 shown | 622ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 18:20:43 | 954ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 07:47:27 | 928ms | 4 NS 1 A 1 MX | 🔒 Secure |