u-i.dk is a .dk domain served by 2 nameservers (kara.ns.cloudflare.com, merlin.ns.cloudflare.com). It was registered on 19 March 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.80.113 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx01.mail.icloud.com, mx02.mail.icloud.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.80.113 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.179.107 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 172.67.179.107 |
| 🔶 Autoconfig | 104.21.80.113 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::ac43:b36b | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3034::6815:5071 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.80.113,172.67.179.107 ech=AEX+DQBBIAAgACC0zA43QQEPXf0h948Q6XRjN1sVQRaoZpeWL8pJJzaaYwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:b36b,2606:4700:3034::6815:5071 |
| TXT Record |
|---|
| apple-domain=GVE1LVDDZu0C2ELp |
| brevo-code:29785097897f1f6bef05ac71945c2b79 |
| v=spf1 include:icloud.com ~all |
| Policy | Record (u-i.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:icloud.com ~all |
| Policy | Record (_dmarc.u-i.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1;p=none;rua=mailto:2f16ff1ba62b4c71845fc86f7a768301@dmarc-reports.cloudflare.net,mailto:rua@dmarc.brevo.com |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | comodoca.com |
| 0 | issue | digicert.com; cansignhttpexchanges=yes |
| 0 | issue | letsencrypt.org |
| 0 | issue | pki.goog; cansignhttpexchanges=yes |
| 0 | issue | ssl.com |
| 0 | issuewild | comodoca.com |
| 0 | issuewild | digicert.com; cansignhttpexchanges=yes |
| 0 | issuewild | letsencrypt.org |
| 0 | issuewild | pki.goog; cansignhttpexchanges=yes |
| 0 | issuewild | ssl.com |
| www | 104.21.80.113 172.67.179.107 2606:4700:3032::ac43:b36b 2606:4700:3034::6815:5071 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 5/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.u-i.dk | Y_FZbFU9HgoevJJB69g81Oe_9o7LAFdMfdRKFDDXgoc |
| TXT | _acme-challenge.u-i.dk | oZCP6SdEtleFFHY6xJizf98OHB09H830usWIli9WbTE |
| 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 | 2416248410 |
| Primary NS (MNAME) | kara.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | A/S SCANNET |
| Registered | 2019-03-19 |
| Expires | 2027-03-31 (159d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-02 17:29:19 | 6178ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-10-01 17:13:12 | 1111ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-30 17:08:50 shown | 740ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-16 05:22:04 | 1773ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-28 11:09:31 | 918ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-25 18:27:08 | 2852ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-06 13:20:04 | 1589ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-13 11:08:00 | 17497ms | 2 NS 2 A 2 MX | ❓ Unknown |
| 2026-06-17 20:02:46 | 1285ms | 2 NS 2 A 2 MX | 🔓 Insecure |