ah.dk

📜 Historical scan 2026-10-02 18:01:18 · ← 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 26ms

Nameserver	IP addresses	PTR	ASN / 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

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.23.177.66	3600s	mcb-c01.lynero.net	AS47527	DLX A/S	178.23.176.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 76ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	ah-dk.mail.protection.outlook.com	2a01:111:f403:ca09::a 2a01:111:f403:ca21::e 2a01:111:f403:ca3c::a 2a01:111:f403:ca48::8 52.101.68.15 52.101.73.145 52.101.73.153 52.101.91.156	mail-am7pr02cu00202.inbound.protection.outlook.com mail-matpr04cu00306.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-am6pr02cu00301.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-maspr04cu00104.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#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.154.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 88ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

6 records 181ms

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#

Policy	Record (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#

Policy	Record (_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

www	178.23.177.66 (AS47527) (address records, no CNAME)
www vs bare domain	Same network ah.dk: 178.23.177.66 (AS47527) www.ah.dk: 178.23.177.66 (AS47527)
Wildcard	No
Denial of existence	NSEC3 · 50 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
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#

94ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

25ms

Field	Value
Serial	2013093458
Primary NS (MNAME)	ns.efif.dk
Responsible (RNAME)	dns-zc@efif.dk
Refresh	14400s
Retry	3600s
Expire	2419200s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-04 18:40:55

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1996-06-03
Expires	2027-06-30 (256d)

📋 WHOIS#

⏱️ Lookup Timing#

26ms

53ms

76ms

AAAA

49ms

TXT

181ms

CAA

49ms

HTTPS

55ms

TLSA

367ms

SOA

25ms

MTA-STS

81ms

DNSSEC

94ms

SRV

88ms

Total

899ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
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 shown	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	2062ms	3 NS 1 A 1 MX	🔒 Secure