ah.dk

📜 Historical scan 2026-08-20 07:27:31  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ah.dk is a .dk domain served by 3 nameservers (ns.efif.dk, ns2.efif.dk, ns3.efif.dk). It was registered on 3 June 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.23.177.66 is hosted by DLX A/S (AS47527) in Denmark. Mail is handled by ah-dk.mail.protection.outlook.com. 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.

🖥️ Nameservers#

3 records   55ms
NameserverIP addressesPTRASN / ISP
ns.efif.dk 195.254.168.23 ns.efif.dk AS51073 Aarhus Business College
ns2.efif.dk 195.254.168.12 ns2.efif.dk AS51073 Aarhus Business College
ns3.efif.dk 20.23.170.35 — AS8075 Microsoft Corporation

🌍 A Records#

1 records   53ms
IPTTLPTRASNISP / OrgCIDRCountryCity
178.23.177.66 3600s mcb-c01.lynero.net AS47527 DLX A/S 178.23.176.0/21 🇩🇰 Denmark —

📧 MX Records#

1 records   48ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s ah-dk.mail.protection.outlook.com 2a01:111:f403:ca04::1
2a01:111:f403:ca04::10
2a01:111:f403:ca04::d
2a01:111:f403:ca09::c
52.101.68.8
52.101.73.19
52.101.73.22
52.101.73.4		 mail-db7pr03cu00401.inbound.protection.outlook.com
mail-dbapr03cu00100.inbound.protection.outlook.com
mail-db6pr03cu00105.inbound.protection.outlook.com
mail-as8pr05cu00304.inbound.protection.outlook.com
mail-du0pr03cu00100.inbound.protection.outlook.com
mail-as8pr04cu00803.inbound.protection.outlook.com
mail-am7pr05cu00106.inbound.protection.outlook.com
mail-am0pr83cu00404.inbound.protection.outlook.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   131ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com

📝 TXT Records#

6 records   298ms
TXT Record
Aalborg Handelsskole
google-site-verification=dzVfGoJv-qPFcJTRvRwYV7p7GLxtGajZpGJkxwoWOcs
MS=ms80679541
PN0Li+57HVxHu+VqtVA+tJx7lToFl8dSA34JcvXnZlUwdnfGx8JD/o6KBHxFObd23cbwczzITcQNbNkZ349fOA==
uvmid=851442
v=spf1 include:spf.protection.outlook.com include:md02.com include:spf.lynero.dk include:cmail1.com include:emsd1.com include:spf.mandrillapp.com ip4:195.69.128.111 ip4:195.254.168.0/23 ip4:178.23.177.69 ip4:195.231.128.0/17 ip4:51.124.155.231 -all

✉️ SPF#

PolicyRecord (ah.dk)
-all (hard fail) v=spf1 include:spf.protection.outlook.com include:md02.com include:spf.lynero.dk include:cmail1.com include:emsd1.com include:spf.mandrillapp.com ip4:195.69.128.111 ip4:195.254.168.0/23 ip4:178.23.177.69 ip4:195.231.128.0/17 ip4:51.124.155.231 -all

📨 DMARC#

PolicyRecord (_dmarc.ah.dk)
p=reject v=DMARC1; p=reject; pct=100; ruf=mailto:analyze@ah.dk; rua=mailto:64e88d13a948b@dmarc.centerasecurity.com

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-16 02:33:07
www178.23.177.66 (AS47527) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceNSEC3 · 50 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
selector2 selector2-ah-dk._domainkey.efif.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.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 6/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

84ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2013093431
Primary NS (MNAME)ns.efif.dk
Responsible (RNAME)dns-zc@efif.dk
Refresh14400s
Retry3600s
Expire2419200s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-04 18:40:55
FieldValue
RegistrarPunktum dk A/S (direct)
Registered1996-06-03
Expires2027-06-30 (256d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
55ms
A
53ms
MX
48ms
AAAA
53ms
TXT
298ms
CAA
57ms
HTTPS
53ms
TLSA
708ms
SOA
0ms
MTA-STS
85ms
DNSSEC
84ms
SRV
131ms
Total
2062ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-16 02:33:07 2400ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-13 23:35:40 2049ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-10 09:54:37 1179ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-08 18:44:21 4150ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-07 18:39:20 3019ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-04 18:04:55 1299ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-02 18:01:18 899ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-30 17:47:47 3065ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-29 17:35:40 973ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-29 00:03:32 3664ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-27 23:43:49 9480ms 5 NS 1 A 1 MX 🔒 Secure
2026-09-27 06:06:43 18576ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-25 05:10:26 10147ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-23 16:10:52 16985ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-20 23:07:38 2281ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-14 13:44:27 1598ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-05 18:19:35 847ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-01 08:59:30 981ms 5 NS 1 A 1 MX 🔒 Secure
2026-09-01 00:34:12 2342ms 3 NS 1 A 1 MX 🔒 Secure
2026-08-30 12:04:19 2869ms 3 NS 1 A 1 MX 🔒 Secure
2026-08-28 02:26:18 1044ms 3 NS 1 A 1 MX 🔒 Secure
2026-08-27 00:44:20 866ms 3 NS 1 A 1 MX 🔒 Secure
2026-08-24 10:21:29 4546ms 3 NS 1 A 0 MX 🔒 Secure
2026-08-22 09:08:29 1954ms 3 NS 1 A 1 MX 🔒 Secure
2026-08-20 07:27:31 shown 2062ms 3 NS 1 A 1 MX 🔒 Secure
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