aon.dk is a .dk domain served by 2 nameservers (gabe.ns.cloudflare.com, jacqueline.ns.cloudflare.com). It was registered on 28 November 1995 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aon-dk.k-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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | eumail.aon.net |
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| _kohejf16fqn2mmdj0bjvi0cuka3lmxj |
| _ucup43z9vds0i2eojh4e16garcq852f |
| _yiczh9aqx1sxbek4bh1ij4m717dmupn |
| 5f923f19-d439-4f87-8b12-bc624a7fce04 |
| atlassian-domain-verification=4B2A1eOljaMNfiq1qW4Tx9HaqNAF1u4H5dr39luRvEgNiG7L2ppWq4CMmGuDpBRX |
| cisco-ci-domain-verification=57723848f64919c5e3e7516867e70da18bb0211a1d70dfb8748d779d4a749b32 |
| docusign=ff5748f3-6b2c-443f-9563-f7e4e9696c25 |
| figma-domain-verification=1fb57a7b31fba8eb8abb4e112ce8405644ea1a4bfbdf2d77fb18e4c7bd568214-1760014800 |
| ibmid=7ffa7167-ef8b-4097-a8fd-585812375a73 |
| j1n868zlqnv2vqb02kxd1th1jtm9dx08 |
| ng9jm61fn8zrppndhgkq0bzppr0y4cfw |
| ngnt2z78wjxcdfqddl7hn0bffdt7f8yt |
| p06z32xsm57qk7nrvls383dz6l06vh04 |
| v=spf1 include:spf.aon.net -all |
| webexdomainverification.4C675B877D2DB136E053AB06FC0A3F65=3c5d5e90-769a-4eb3-83e5-7ad476b768fe |
| yahoo-verification-key=jVI+hwB0+tupPvnKKdHqRK93Wu8vWiNXae6enim7Srk= |
| Policy | Record (aon.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.aon.net -all |
| Policy | Record (_dmarc.aon.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; fo=1; ri=3600; rua=mailto:dmarc_agg@vali.email; ruf=mailto:aon@ruf-reporting.vali.email |
| Status | Report address (rua) |
|---|---|
| ✓ Enabled | mailto:tls-report@vali.email |
| www | 104.18.41.217 172.64.146.39 (AS13335) (address records, no CNAME) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 2/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.aon-dk.k-v1.mx.microsoft | DANE-EE · SPKI · SHA-256 | 54883CC5F1849331E6BF5002C3129D20… |
| SMTP _25._tcp.aon-dk.k-v1.mx.microsoft | DANE-EE · SPKI · SHA-256 | 803F7447CC75B208DBCA042346F5D8DF… |
| SMTP _25._tcp.aon-dk.k-v1.mx.microsoft | DANE-TA · Full cert · SHA-256 | C1AD7778796D20BCA65C889A26550211… |
| SMTP _25._tcp.aon-dk.k-v1.mx.microsoft | DANE-TA · Full cert · SHA-256 | EA7A25255D111FC3CE4CB8FABE3ADF9C… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2417218811 |
| Primary NS (MNAME) | gabe.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 | 1995-11-28 |
| Expires | 2027-12-31 (440d) |
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).
| Domain | Registrar |
|---|---|
| pensionsmaegler.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 04:04:16 shown | 521ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-07 00:12:48 | 1232ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-03 23:46:30 | 1597ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-29 23:17:47 | 2530ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-28 22:59:51 | 1204ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-26 22:32:34 | 1456ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-23 07:34:51 | 3058ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-12 06:37:07 | 5254ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-07 15:41:29 | 1449ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-05 01:18:46 | 1802ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-27 05:01:04 | 1797ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-24 01:23:46 | 2142ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-23 13:24:42 | 942ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 22:52:41 | 1075ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-16 13:35:16 | 898ms | 2 NS 0 A 1 MX | 🔓 Insecure |