jcn-bolig.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 4 June 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.40.46.16 is hosted by Itm8 A/S (AS62319) in Denmark. Mail is handled by jcnbolig-dk0i.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 185.40.46.16 | 600s | co3web04-16.wehost.dk | AS62319 | Itm8 A/S | 185.40.44.0/22 | 🇩🇰 Denmark | Viby J |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.152 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 0 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms66514702 |
| v=spf1 include:_spf60560.spf-protect.dk -all |
| Policy | Record (jcn-bolig.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf60560.spf-protect.dk -all |
| Policy | Record (_dmarc.jcn-bolig.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:6720990da2064@dmarc-dk.centerasecurity.com; |
| www CNAME | jcn-bolig.dk (all on jcn-bolig.dk) → 185.40.46.16 (AS62319) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-jcnbolig-dk0i._domainkey.jcnbolig.onmicrosoft.com | RSA · ~1024 bit below 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 | 2026101001 |
| 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 | Punktum dk A/S (direct) |
| Registered | 2013-06-04 |
| Expires | 2027-06-30 (254d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-10 12:51:27 shown | 1053ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 11:10:43 | 1115ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 04:16:06 | 1187ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-12 23:02:23 | 1279ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 17:16:33 | 1496ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 12:10:53 | 1438ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-19 10:21:42 | 2591ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-11 10:08:42 | 4766ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-07 05:57:32 | 2140ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-15 21:43:51 | 956ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-11 21:23:57 | 1650ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 04:09:23 | 1253ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 01:53:00 | 764ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-21 17:44:48 | 706ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 05:10:54 | 1181ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 23:49:45 | 1658ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 19:52:17 | 3731ms | 2 NS 1 A 1 MX | 🔒 Secure |