sj-byg.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 3 April 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.201 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by sjbyg-dk0e.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 |
|---|---|---|---|---|---|---|---|
| 93.191.156.201 | 3600s | linux309.unoeuro.com | AS48854 | team.blue Denmark A/S | 93.191.152.0/21 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.136 |
| 🔶 Autoconfig | 93.191.156.201 |
| TXT Record |
|---|
| MS=ms15310410 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (sj-byg.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.sj-byg.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com; |
| www | 93.191.156.201 (AS48854) (address records, no CNAME) |
| 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 |
DNS lookups: 1/10 · 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 | 2026100100 |
| 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 | Simply.com A/S |
| Registered | 2019-04-03 |
| Expires | 2027-04-30 (194d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 16:02:22 shown | 1011ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 15:50:08 | 613ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 18:06:00 | 1014ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 03:53:18 | 917ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-11 08:02:41 | 1444ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 08:52:38 | 871ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-21 09:30:01 | 1271ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 13:31:33 | 4372ms | 4 NS 1 A 1 MX | 🔒 Secure |