aleksanderbl.dk is a .dk domain served by 2 nameservers (deborah.ns.cloudflare.com, shane.ns.cloudflare.com). It was registered on 23 May 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.55.140 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx01.mail.icloud.com, mx02.mail.icloud.com. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 104.21.55.140 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.148.241 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 49.13.56.97 |
| 🔶 Autoconfig | 49.13.56.97 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a06:98c1:3120::1 | 300s | — | AS13335 | Cloudflare, Inc. | 2a06:98c1:3120:0:0:0:0:0/46 | — | — |
| 2a06:98c1:3121::1 | 300s | — | AS13335 | Cloudflare, Inc. | 2a06:98c1:3120:0:0:0:0:0/46 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.55.140,172.67.148.241 ech=AEX+DQBBEgAgACD0O3QzmjOIcE5rpdEMxRby3ewJv5BGfT/p8jyKPIE+UwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:378c,2606:4700:3035::ac43:94f1 |
| TXT Record |
|---|
| apple-domain=iSQp47NqsKSRmiLi |
| google-site-verification=NaFM5vu7ulVtnGLFNCHnRCunhU-nj46gOW8YdpcmAak |
| v=spf1 include:icloud.com ~all |
| Policy | Record (aleksanderbl.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:icloud.com ~all |
| www | 104.21.55.140 172.67.148.241 2606:4700:3033::6815:378c 2606:4700:3035::ac43:94f1 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network aleksanderbl.dk: 104.21.55.140 172.67.148.241 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) www.aleksanderbl.dk: 104.21.55.140 172.67.148.241 2606:4700:3033::6815:378c 2606:4700:3035::ac43:94f1 (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | Delete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY |
DNS lookups: 5/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.aleksanderbl.dk | 3IBgzkbyNN-OWYvPEAUblSGOM8j4jkc1e3bVLKOn3WY |
| TXT | _acme-challenge.aleksanderbl.dk | T3lwMbAnp4cQQ08i8OkAN1fmfX4X6k3EIlfSlgfKTCE |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2417454270 |
| Primary NS (MNAME) | deborah.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2023-05-23 |
| Expires | 2027-05-22 (217d) |
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 |
|---|---|---|---|
| 2026-10-14 17:51:45 shown | 5824ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-10-10 16:18:24 | 1425ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-10-07 05:32:40 | 546ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-26 03:08:19 | 1070ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-18 19:48:02 | 1252ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-23 05:23:29 | 2637ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-17 06:58:45 | 7506ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-09 18:49:30 | 2378ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-31 06:48:40 | 2832ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-29 19:37:29 | 3364ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-28 03:29:55 | 2252ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-05 20:36:46 | 7198ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-27 00:54:25 | 2879ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-20 19:53:38 | 637ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-20 02:40:52 | 1095ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-18 10:02:29 | 2801ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-16 12:56:33 | 7237ms | 2 NS 2 A 2 MX | 🔓 Insecure |