jk-el.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.229.236.30 is hosted by Edelskjold Holding ApS (AS215686) in Denmark. Mail is handled by jk-el-dk.mx1.comendosystems.com, jk-el-dk.mx2.comendosystems.net. 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 |
|---|---|---|---|---|---|---|---|
| 91.229.236.30 | 3600s | hosting.merkurnord.dk | AS215686 | Edelskjold Holding ApS | 91.229.236.0/24 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 1800s | jk-el-dk.mx1.comendosystems.com | 192.162.219.255 2a01:77c0:1619:4102:a81b:80d0:e56c:edc0 |
mx41.electric.net gw2-1535.security.comendo.com |
AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. |
| 20 | 1800s | jk-el-dk.mx2.comendosystems.net | 192.162.219.155 | mx41.electric.net | AS16509 Amazon.com, Inc. |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms47418343 |
| v=spf1 ip4:91.229.236.30 include:spf.comendosystems.com include:spf.protection.outlook.com include:_spf-hosting.eg.dk include:spfcloud.letsignit.com -all |
| vpe=ace0b2c9 |
| Policy | Record (jk-el.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:91.229.236.30 include:spf.comendosystems.com include:spf.protection.outlook.com include:_spf-hosting.eg.dk include:spfcloud.letsignit.com -all |
| Policy | Record (_dmarc.jk-el.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:systemrapporter@jk-el.dk; ruf=mailto:systemrapporter@jk-el.dk |
| www | 91.229.236.30 (AS215686) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 9/10 · policy: -all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026062601 |
| Primary NS (MNAME) | ns1.curanet.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 10:28:01 | 692ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-03 12:40:38 | 614ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-26 05:48:44 | 978ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-27 20:28:40 | 999ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-26 20:21:43 | 891ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-03 01:12:09 | 1162ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-28 00:18:53 shown | 926ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-25 19:08:48 | 1231ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-24 10:49:25 | 1104ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-22 12:11:15 | 1510ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-19 22:38:49 | 2988ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-18 05:38:45 | 592ms | 2 NS 1 A 2 MX | 🔒 Secure |