efs.dk

📜 Historical scan 2026-06-20 00:50:07 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

efs.dk is a .dk domain served by 2 nameservers (ns.scannet2.dk, ns2.scannet2.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 81.7.137.140 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by exchangemail.efs.dk, mail-relay.uni2.dk. 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#

2 records 31ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.scannet2.dk	185.25.141.9 2a02:2339:4006:10d::4171:4171	ns1.scannet.dk ns1.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.scannet2.dk	2a02:2339:1:112:0:5:1:b11 91.197.248.72	ns2.scannet.dk ns2.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 83ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
81.7.137.140	3600s	—	AS47292	Sentia Denmark A/S	81.7.136.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records#

2 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	exchangemail.efs.dk	—	—	—
20	3600s	mail-relay.uni2.dk	92.43.122.90	—	AS44398 Itm8 A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 336ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (efs.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.efs.dk)
p=reject	v=DMARC1; p=reject;

📬 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 2026-10-09 18:49:27

www CNAME	efs.dk (all on efs.dk) → 81.7.137.140 (AS47292)
www vs bare domain	Same network efs.dk: 81.7.137.140 (AS47292) www.efs.dk: 81.7.137.140 (AS47292)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

96ms

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

🏷️ SOA#

28ms

Field	Value
Serial	2022110301
Primary NS (MNAME)	ns.scannet2.dk
Responsible (RNAME)	hostmaster@scannet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

31ms

83ms

31ms

AAAA

81ms

TXT

336ms

CAA

61ms

HTTPS

42ms

TLSA

91ms

SOA

28ms

MTA-STS

83ms

DNSSEC

96ms

SRV

132ms

Total

685ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-05 01:17:33	4510ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-27 01:17:23	4790ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-20 00:50:07 shown	685ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-17 06:26:55	13243ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-17 06:17:47	1898ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-17 06:03:08	503ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-17 06:00:25	527ms	2 NS 1 A 2 MX	🔒 Secure