zba.dk

Records from scan: 2026-10-16 16:04:13 · 1334ms total

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

zba.dk is a .dk domain served by 3 nameservers (ns.efif.dk, ns2.efif.dk, ns3.efif.dk). It was registered on 16 February 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.254.168.52 is hosted by Aarhus Business College (AS51073) in Denmark. Mail is handled by zba-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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 51ms

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 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.254.168.52	86400s	cphbusiness.dk ek.dk keanet.dk kompetence.kea.dk redirect.efif.dk	AS51073	Aarhus Business College	195.254.168.0/23	🇩🇰 Denmark	Viby J

📧 MX Records#

1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	zba-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::9 2a01:111:f403:ca09::20 2a01:111:f403:ca21::a 52.101.209.153 52.101.68.21 52.101.73.155 52.101.91.162	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-maspr04cu00102.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-am7pr02cu00203.inbound.protection.outlook.com mail-matpr04cu00302.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 90ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	webmail.efif.dk

📝 TXT Records#

4 records 250ms

TXT Record
l3uz0UJ6Dd7YrFtnckgRpdQ7hrXuFu2DurDIkaPw59lc4w3cQB+C1dJYTZDuaDj5womjNPT6viZ2SIuKFY7IFQ==
MS=ms55818073
v=spf1 redirect=_spf.efif.dk
Zealand Business College

✉️ SPF#

Policy	Record (zba.dk)
redirect=_spf.efif.dk	v=spf1 redirect=_spf.efif.dk

📨 DMARC#

Policy	Record (_dmarc.zba.dk)
p=reject	v=DMARC1; p=reject; pct=100; ruf=mailto:analyze@efif.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#

checked 2026-10-16 16:04:13

www CNAME	redirect.efif.dk (all on efif.dk) → 195.254.168.52 (AS51073)
www vs bare domain	Same network zba.dk: 195.254.168.52 (AS51073) www.zba.dk: 195.254.168.52 (AS51073)
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#

2 found

Selector	CNAME	Key
selector1	selector1-zba-dk._domainkey.efif.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-zba-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: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

113ms

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

🏷️ SOA#

47ms

Field	Value
Serial	2010071950
Primary NS (MNAME)	ns.efif.dk
Responsible (RNAME)	dns-zc@efif.dk
Refresh	14400s
Retry	3600s
Expire	2419200s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-07 23:24:11

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2010-02-16
Expires	2027-02-28 (134d)

📋 WHOIS#

⏱️ Lookup Timing#

51ms

32ms

40ms

AAAA

40ms

TXT

250ms

CAA

36ms

HTTPS

60ms

TLSA

552ms

SOA

47ms

MTA-STS

63ms

DNSSEC

113ms

SRV

90ms

Total

1334ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 16:04:13 shown	1334ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-14 09:38:53	1258ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-08 23:21:32	3878ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-07 23:19:34	3219ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-02 21:34:57	1426ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-30 21:30:31	1045ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-29 15:34:24	1856ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-29 09:40:04	3031ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-27 08:50:19	2641ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-23 07:18:00	7006ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-16 06:29:35	2820ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-14 03:59:53	1583ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-07 03:11:00	1042ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-30 22:47:55	850ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-27 01:50:06	1019ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-24 20:43:35	5432ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-19 17:05:51	3799ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-18 16:54:33	3602ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-13 07:51:35	4807ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-10 21:05:50	5555ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-07 06:35:11	3861ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-29 12:19:02	7361ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-27 02:06:14	2990ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-24 00:27:42	10706ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-21 19:38:42	10126ms	3 NS 1 A 1 MX	🔒 Secure