erf.dk

📜 Historical scan 2026-06-17 08:04:49 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

erf.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 172.199.35.128 is hosted by Microsoft Corporation (AS8075) in The Netherlands. The zone is not DNSSEC-signed, has no 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#

4 records 39ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.eurodns.com	—	—	—
ns2.eurodns.com	—	—	—
ns3.eurodns.com	—	—	—
ns4.eurodns.com	—	—	—

🌍 A Records#

1 records 51ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
172.199.35.128	—	—	AS8075	Microsoft Corporation	172.196.0.0/14	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 187ms

TXT Record
v=spf1 -all

✉️ SPF#

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

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-12 08:52:00

www	172.199.35.128 (AS8075) (address records, no CNAME)
www vs bare domain	Same network erf.dk: 172.199.35.128 (AS8075) www.erf.dk: 172.199.35.128 (AS8075)
Wildcard	No

🔎 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#

68ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

49ms

Field	Value
Serial	2025120400
Primary NS (MNAME)	ns1.eurodns.com
Responsible (RNAME)	hostmaster@eurodns.com
Refresh	86400s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

39ms

51ms

39ms

AAAA

41ms

TXT

187ms

CAA

46ms

HTTPS

54ms

TLSA

61ms

SOA

49ms

MTA-STS

50ms

DNSSEC

68ms

SRV

0ms

Total

387ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-25 08:17:53	9509ms	4 NS 1 A 0 MX	🔓 Insecure
2026-09-05 23:11:24	679ms	4 NS 1 A 0 MX	🔓 Insecure
2026-06-21 23:18:20	901ms	4 NS 1 A 0 MX	🔓 Insecure
2026-06-21 15:05:28	1037ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 09:34:09	1182ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-19 22:03:30	492ms	4 NS 1 A 0 MX	🔓 Insecure
2026-06-17 08:16:41	1252ms	4 NS 1 A 0 MX	🔓 Insecure
2026-06-17 08:12:47	15905ms	4 NS 1 A 0 MX	🔓 Insecure
2026-06-17 08:04:49 shown	387ms	4 NS 1 A 0 MX	🔓 Insecure
2026-06-17 08:00:44	547ms	4 NS 1 A 0 MX	🔓 Insecure