strengagergaard.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 8 March 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 78.31.252.90 is hosted by EWII Bredbaand A/S (AS204151) in Denmark. Mail is handled by mail.semark.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 78.31.252.90 | 3600s | ip1.semarkit.net | AS204151 | EWII Bredbaand A/S | 78.31.252.0/22 | 🇩🇰 Denmark | Ans |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.semark.dk | 83.151.155.21 | mail.semark.dk | AS31027 GlobalConnect A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | strengagergaard.dk → 78.31.252.90 |
| 🔶 Autoconfig | strengagergaard.dk → 78.31.252.90 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a06:4004:3247:245:88::2 | 3600s | 2a06.4004.3247.0245.0088.0000.0000.0002.static6.kviknet.net | AS204151 | EWII Bredbaand A/S | 2a06:4000:0:0:0:0:0:0/29 | 🇩🇰 Denmark | Viborg |
| TXT Record |
|---|
| v=spf1 redirect=_spf.semarkit.net |
| Policy | Record (strengagergaard.dk) |
|---|---|
| redirect=_spf.semarkit.net | v=spf1 redirect=_spf.semarkit.net |
| Policy | Record (_dmarc.strengagergaard.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; aspf=r; adkim=r; fo=1; pct=100; rua=mailto:postmaster@semarkit.net; ruf=mailto:postmaster@semarkit.net; |
| Flags | Tag | Value |
|---|---|---|
| 0 | iodef | mailto:info@semarkit.net |
| 0 | issue | letsencrypt.org |
| www CNAME | strengagergaard.dk (all on strengagergaard.dk) |
| www vs bare domain | Same network strengagergaard.dk: 78.31.252.90 2a06:4004:3247:245:88::2 (AS204151) www.strengagergaard.dk: 78.31.252.90 2a06:4004:3247:245:88::2 (AS204151) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 3/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.strengagergaard.dk | strengagergaard.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101401 |
| 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 | WEBHOSTING A/S |
| Registered | 2021-03-08 |
| Expires | 2027-03-31 (165d) |
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 |
|---|---|---|---|
| 2026-10-14 07:36:54 shown | 1860ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-15 17:34:13 | 782ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-01 17:24:05 | 762ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-15 02:29:04 | 5001ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-18 20:22:26 | 2503ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-13 23:37:41 | 16833ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 01:51:40 | 12054ms | 2 NS 1 A 1 MX | 🔒 Secure |