sfw.dk

Records from scan: 2026-10-17 02:22:58 · 565ms total · last checked 2026-10-19 03:52 (unchanged)

⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 40ms

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 36ms

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 32ms

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 179ms

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#

checked 2026-10-17 02:22:58

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#

66ms

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

🏷️ SOA#

42ms

Field	Value
Serial	2026101604
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 (72d)

📋 WHOIS#

⏱️ Lookup Timing#

40ms

36ms

32ms

AAAA

41ms

TXT

179ms

CAA

35ms

HTTPS

36ms

TLSA

161ms

SOA

42ms

MTA-STS

49ms

DNSSEC

66ms

SRV

59ms

Total

565ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 02:22:58 shown	565ms	2 NS 1 A 1 MX	🔒 Secure
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	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