underskrive.dk is a .dk domain served by 4 nameservers (ns-1141.awsdns-14.org, ns-1542.awsdns-00.co.uk, ns-332.awsdns-41.com and 1 more). It was registered on 17 February 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 89.31.99.101 is hosted by Signet B.V. (AS35470) in The Netherlands. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 89.31.99.101 | 600s | vm-b5eb42e5-4b24-48ff-8c41-21716a1a6e32.ams.resource.cloud | AS35470 | Signet B.V. | 89.31.98.0/23 | 🇳🇱 The Netherlands | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:348:5e6:feed::7:5 | 300s | unassigned.ams.resource.cloud | AS35470 | Signet B.V. | 2a02:348:500:0:0:0:0:0/40 | 🇳🇱 The Netherlands | — |
| TXT Record |
|---|
| v=spf1 include:_spf.google.com -all |
| Policy | Record (underskrive.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.google.com -all |
| Policy | Record (_dmarc.underskrive.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; rua=mailto:da949178c0559258702933f3933ebde5-d@dmarc.report-uri.com; ruf=mailto:beheer+dmarc@ondertekenen.nl |
| www CNAME | underskrive.dk (all on underskrive.dk) |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 1 |
| Primary NS (MNAME) | ns-332.awsdns-41.com |
| Responsible (RNAME) | awsdns-hostmaster@amazon.com |
| Refresh | 7200s |
| Retry | 900s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | MarkMonitor Inc. |
| Registered | 2018-02-17 |
| Expires | 2027-02-28 (133d) |
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 |
|---|---|---|---|
| 2026-08-26 05:11:31 shown | 4816ms | 4 NS 1 A 5 MX | 🔓 Insecure |
| 2026-06-17 16:51:55 | 4141ms | 4 NS 1 A 5 MX | 🔓 Insecure |