sfw.dk

📜 Historical scan 2026-10-01 07:21:12 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sfw.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 11 October 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.12.152.72 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by mail.sfw.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 131ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 102ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.12.152.72	3600s	mail.sfw.dk	AS31027	GlobalConnect A/S	217.12.144.0/20	🇩🇰 Denmark	Årslev

📧 MX Records#

1 records 105ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	3600s	mail.sfw.dk	217.12.152.72	mail.sfw.dk	AS31027 GlobalConnect A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	217.12.152.72
🔶 Autoconfig	217.12.152.72

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 489ms

TXT Record
google-site-verification=qlwxcUiwDPCKyJtzUy4ogmvNHrPLjfgYH8h-fqCIOMU
v=spf1 mx -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.sfw.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:sh0smwh8@ag.dmarcian.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 2026-10-09 11:23:47

www	217.12.152.72 (AS31027) (address records, no CNAME)
www vs bare domain	Same network sfw.dk: 217.12.152.72 (AS31027) www.sfw.dk: 217.12.152.72 (AS31027)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

240ms

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

🏷️ SOA#

80ms

Field	Value
Serial	2026100101
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-06 08:52:48

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1999-10-11
Expires	2026-12-31 (75d)

📋 WHOIS#

⏱️ Lookup Timing#

131ms

102ms

105ms

AAAA

101ms

TXT

489ms

CAA

128ms

HTTPS

129ms

TLSA

410ms

SOA

80ms

MTA-STS

173ms

DNSSEC

240ms

SRV

188ms

Total

1771ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 11:23:47	663ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-06 08:15:59	1470ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 07:21:12 shown	1771ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-18 02:57:55	2759ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-21 06:01:06	822ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 02:28:54	1574ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-19 22:28:01	590ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 06:14:38	967ms	2 NS 1 A 1 MX	🔒 Secure