grumsendev.dk is a .dk domain served by 3 nameservers (ns5.chosting.dk, ns6.chosting.dk, ns7.chosting.dk). It was registered on 9 April 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 76.76.21.21 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by mail.grumsendev.dk. The zone is not DNSSEC-signed, 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns5.chosting.dk | — | — | — |
| ns6.chosting.dk | — | — | — |
| ns7.chosting.dk | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 76.76.21.21 | — | — | AS16509 | Amazon.com, Inc. | 76.76.21.0/24 | 🇺🇸 United States | Walnut |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | — | mail.grumsendev.dk | 178.20.216.115 | server14.chosting.dk | AS21060 Atea A/S |
| TXT Record |
|---|
| google-site-verification=eWAeB4zxMz6rvA-aDxhch2cfI5HaCQP0Tj0cZJLQyHk |
| v=spf1 ip4:178.20.216.115 include:spf.chosting.dk +a +mx ~all |
| Policy | Record (grumsendev.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:178.20.216.115 include:spf.chosting.dk +a +mx ~all |
| Policy | Record (_dmarc.grumsendev.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www CNAME | cname.vercel-dns.com (all on vercel-dns.com) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~2048 bit |
| s1 | s1.domainkey.u42434233.wl234.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u42434233.wl234.sendgrid.net | RSA · ~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: 5/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026061501 |
| Primary NS (MNAME) | ns5.chosting.dk |
| Responsible (RNAME) | logs@chosting.dk |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | CURANET A/S |
| Registered | 2018-04-09 |
| Expires | 2027-04-30 (186d) |
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).
| Domain | Registrar |
|---|---|
| firmaradar.dk | CURANET A/S |
| shadespace.dk | CURANET A/S |
| stranddetektor.dk | CURANET A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 20:00:15 | 799ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-16 14:42:27 | 1700ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-23 23:43:11 | 682ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-15 23:25:39 | 809ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-23 13:12:37 | 2902ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-16 22:13:19 | 1538ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-14 13:37:52 | 1205ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 00:06:02 | 2773ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 09:27:57 shown | 571ms | 3 NS 1 A 1 MX | 🔓 Insecure |