sfb-mail.dk

📜 Historical scan 2026-07-01 18:55:53 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sfb-mail.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 11 January 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.163.39.111 is hosted by Cibicom A/S (AS3342) in Denmark. Mail is handled by sfbmail-dk0i.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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#

2 records 34ms

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 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.163.39.111	43200s	—	AS3342	Cibicom A/S	193.163.36.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 54ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	sfbmail-dk0i.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::10 2a01:111:f403:ca04::2 2a01:111:f403:ca04::4 52.101.73.16 52.101.73.19 52.101.73.24 52.101.73.28	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-dbapr03cu00100.inbound.protection.outlook.com mail-du2pr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-am7pr05cu00204.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

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 44ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 152ms

TXT Record
MS=ms29168854
v=spf1 a:vpn.sfb-mail.dk a:smtp.8989.dk include:spf.protection.outlook.com include:web.shared.mysmtp.com -all

✉️ SPF#

Policy	Record (sfb-mail.dk)
-all (hard fail)	v=spf1 a:vpn.sfb-mail.dk a:smtp.8989.dk include:spf.protection.outlook.com include:web.shared.mysmtp.com -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 2026-10-09 13:55:28

www	193.163.39.111 (AS3342) (address records, no CNAME)
www vs bare domain	Same network sfb-mail.dk: 193.163.39.111 (AS3342) www.sfb-mail.dk: 193.163.39.111 (AS3342)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 7/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

54ms

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

🏷️ SOA#

38ms

Field	Value
Serial	2026060901
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 2026-10-09 14:20:24

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2001-01-11
Expires	2027-03-31 (156d)

📋 WHOIS#

⏱️ Lookup Timing#

34ms

39ms

54ms

AAAA

38ms

TXT

152ms

CAA

32ms

HTTPS

37ms

TLSA

474ms

SOA

38ms

MTA-STS

41ms

DNSSEC

54ms

SRV

44ms

Total

1042ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 13:55:28	2406ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-11 07:48:07	1210ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 14:45:39	822ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-08 23:07:31	1562ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-06 23:20:52	7142ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-28 20:51:45	5969ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-14 02:21:35	1273ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-01 18:55:53 shown	1042ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-29 08:04:36	762ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-28 06:47:46	2176ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 12:49:23	1034ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 02:30:15	2115ms	2 NS 1 A 1 MX	🔒 Secure