columbiavalby.dk is a .dk domain served by 2 nameservers (algin.ns.cloudflare.com, lorna.ns.cloudflare.com). It was registered on 12 January 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 162.159.135.89 is hosted by Cloudflare, Inc. (AS13335) in United States. Mail is handled by mx.sendgrid.net. 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 |
|---|---|---|---|---|---|---|---|
| 162.159.135.89 | 300s | — | AS13335 | Cloudflare, Inc. | 162.159.128.0/19 | 🇺🇸 United States | — |
| 162.159.136.89 | 300s | — | AS13335 | Cloudflare, Inc. | 162.159.128.0/19 | 🇺🇸 United States | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:7::a29f:8759 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:0:0:0:0:0:0/43 | 🇺🇸 United States | San Francisco |
| 2606:4700:7::a29f:8859 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:0:0:0:0:0:0/43 | 🇺🇸 United States | San Francisco |
| TXT Record |
|---|
| google-site-verification=cn_pQ_C9LvKjFAce-P7i974rbAkDIcqlGLqEnN4Tkbs |
| Policy | Record (_dmarc.columbiavalby.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www CNAME | columbiavalby.dk (all on columbiavalby.dk) |
| www vs bare domain | Same network columbiavalby.dk: 162.159.135.89 162.159.136.89 2606:4700:7::a29f:8759 2606:4700:7::a29f:8859 (AS13335) www.columbiavalby.dk: 162.159.135.89 162.159.136.89 2606:4700:7::a29f:8759 2606:4700:7::a29f:8859 (AS13335) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u51272841.wl092.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u51272841.wl092.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.
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.columbiavalby.dk | columbiavalby.dk.7c229867e7b1b96c.dcv.cloudflare.com |
| 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 | 2412826212 |
| Primary NS (MNAME) | algin.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Abion AB |
| Registered | 2021-01-12 |
| Expires | 2027-01-31 (98d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-23 06:03:12 shown | 833ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-09 13:49:06 | 1060ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-08 10:59:45 | 643ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-26 08:34:38 | 1294ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-13 05:53:41 | 1045ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-26 23:08:04 | 1078ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-22 02:31:27 | 1801ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-07 19:24:38 | 1795ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-24 11:43:30 | 1263ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-23 19:35:27 | 1008ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 05:45:50 | 1309ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-16 21:51:09 | 871ms | 4 NS 2 A 1 MX | 🔓 Insecure |