ngf.dk is a .dk domain served by 3 nameservers (dns1.shell.com, dns2.shell.com, dns3.shell.com). It was registered on 11 July 1995 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.221.238.173 is hosted by Unit IT Services ApS (AS42876) in Denmark. Mail is handled by ngf-dk.v-v1.mx.microsoft. The zone is DNSSEC-signed and validates, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 77.221.238.173 | 86400s | — | AS42876 | Unit IT Services ApS | 77.221.224.0/19 | 🇩🇰 Denmark | Ballerup Municipality |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| TXT Record |
|---|
| Kb07ywS6cB10MufHeoQG9nr4AphyiA5tOjZMt/Bg1LieIlsN63YI7vqX8Rcy+Cc80JnlTFSxAHhZ+TGBsmotKg== |
| MS=ms71892238 |
| MS=ms84365923 |
| v=spf1 include:spf.protection.outlook.com include:ser.emailrouter.com -all |
| Policy | Record (ngf.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:ser.emailrouter.com -all |
| Policy | Record (_dmarc.ngf.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; sp=reject; fo=1; pct=100; ruf=mailto:SITI-Cyberdefence-DMARC-Analysis@shell.com; rua=mailto:SITI-Cyberdefence-DMARC-Analysis@shell.com |
| Check | Result |
|---|---|
| Status | 🔒 Enforce |
| TXT record (_mta-sts) | ✓ Found |
| HTTPS policy | ✓ Valid |
| Mode | enforce |
| Policy ID | 20260702120000Z |
| max_age | 604800s |
| Policy MX | ngf-dk.v-v1.mx.microsoft |
| Status | Report address (rua) |
|---|---|
| ✓ Enabled | mailto:MTASTS-TLS-Reports@shell.com |
| www | 77.221.238.173 (AS42876) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 10 iterations · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 3/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.ngf-dk.v-v1.mx.microsoft | DANE-TA · Full cert · SHA-256 | EA7A25255D111FC3CE4CB8FABE3ADF9C… |
| SMTP _25._tcp.ngf-dk.v-v1.mx.microsoft | DANE-EE · SPKI · SHA-256 | 803F7447CC75B208DBCA042346F5D8DF… |
| SMTP _25._tcp.ngf-dk.v-v1.mx.microsoft | DANE-TA · Full cert · SHA-256 | C1AD7778796D20BCA65C889A26550211… |
| SMTP _25._tcp.ngf-dk.v-v1.mx.microsoft | DANE-EE · SPKI · SHA-256 | 54883CC5F1849331E6BF5002C3129D20… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2532 |
| Primary NS (MNAME) | dns1.shell.com |
| Responsible (RNAME) | dns@shell.com |
| Refresh | 10800s |
| Retry | 1080s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Nom-Iq Ltd |
| Registered | 1995-07-11 |
| Expires | 2027-09-30 (347d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-17 23:44:11 | 2516ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-16 23:29:42 | 2391ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-15 23:00:44 | 3692ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-14 21:47:24 | 4254ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-13 21:41:28 | 2120ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-12 21:15:51 | 2513ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-11 21:06:42 | 1769ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-10 17:12:23 | 5090ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 16:11:25 | 4202ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-08 13:03:42 | 3560ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-07 13:00:37 | 3216ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-06 10:56:45 | 4795ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-05 10:19:44 | 3566ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-04 10:06:32 | 3046ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 10:05:57 | 3446ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 10:04:26 | 2607ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 09:57:32 | 3373ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 09:55:17 | 4823ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 09:43:11 | 1770ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-28 07:43:35 | 1619ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 07:24:55 shown | 1810ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 07:06:32 | 1457ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 06:56:27 | 1678ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 06:41:32 | 2223ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-19 03:16:14 | 3177ms | 3 NS 1 A 1 MX | 🔒 Secure |