cuf.dk is a .dk domain served by 5 nameservers (ns1.gigahost.dk, ns2.gigahost.dk, ns3.gigahost.dk and 2 more). It was registered on 17 October 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 13.248.155.104 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by cuf-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 13.248.155.104 | 3600s | a20b9ee60132ef283.awsglobalaccelerator.com | AS16509 | Amazon.com, Inc. | 13.248.0.0/14 | 🇺🇸 United States | — |
| 76.223.27.102 | 3600s | a20b9ee60132ef283.awsglobalaccelerator.com | AS16509 | Amazon.com, Inc. | 76.223.0.0/17 | 🇺🇸 United States | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.152 |
| 🔶 Autoconfig | proxy-ssl.webflow.com → 54.155.19.65 |
| TXT Record |
|---|
| google-site-verification=iKGxkb-9KQ66GWUpMzrVB59CbqcJ6JgqKIowFtJf504 |
| P-vvXWGzSTNJ |
| Replace this with your Office 365 token |
| v=spf1 include:spf.protection.outlook.com include:spf.permido.com include:servers.mcsv.net -all |
| Policy | Record (cuf.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:spf.permido.com include:servers.mcsv.net -all |
| Policy | Record (_dmarc.cuf.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; |
| www CNAME | proxy-ssl.webflow.com (all on webflow.com) |
| www vs bare domain | Same network cuf.dk: 13.248.155.104 76.223.27.102 (AS16509) www.cuf.dk: 18.202.8.75 3.248.56.152 54.155.19.65 (AS16509) |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| k1 | dkim.mcsv.net | RSA · ~1024 bit below 2048 bit |
| selector1 | selector1-cuf-dk._domainkey.fecdk.onmicrosoft.com | RSA · ~1024 bit below 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: 3/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.cuf.dk | proxy-ssl.webflow.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 | 2026101501 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@cuf.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | GIGAHOST ApS |
| Registered | 2018-10-17 |
| Expires | 2027-10-31 (378d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 16:59:00 shown | 3285ms | 5 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-08 08:38:18 | 1940ms | 5 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-01 05:09:19 | 1449ms | 5 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-24 02:10:20 | 1666ms | 5 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-21 20:14:09 | 3100ms | 5 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-11 21:21:33 | 1557ms | 5 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-03 13:13:15 | 2126ms | 5 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-27 12:23:59 | 1589ms | 5 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-26 11:59:10 | 2087ms | 5 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-20 08:14:55 | 11038ms | 5 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-15 01:31:30 | 2041ms | 5 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-09 01:40:42 | 9627ms | 5 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-03 00:52:26 | 9443ms | 5 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-23 09:27:43 | 1654ms | 5 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-16 15:46:29 | 1757ms | 5 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-09 19:35:39 | 9879ms | 5 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-03 13:32:26 | 8883ms | 5 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-29 09:00:34 | 1496ms | 5 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-20 12:28:23 | 3080ms | 5 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-16 23:10:30 | 752ms | 5 NS 2 A 1 MX | 🔓 Insecure |