sfb-mail.dk

Records from scan: 2026-10-09 13:55:28 · 2406ms total · last checked 2026-10-25 23:24 (unchanged)

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

🖥️ Nameservers#

2 records 539ms

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 494ms

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 537ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	sfbmail-dk0i.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca21::c 2a01:111:f403:ca48::a 2a01:111:f403:ca48::e 52.101.103.137 52.101.103.140 52.101.185.21 52.101.91.153	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-matpr04cu00204.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-matpr04cu00101.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 → 40.104.116.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 561ms

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

📝 TXT Records#

2 records 734ms

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#

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#

619ms

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

🏷️ SOA#

70ms

Field	Value
Serial	2026100801
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#

539ms

494ms

537ms

AAAA

537ms

TXT

734ms

CAA

537ms

HTTPS

530ms

TLSA

850ms

SOA

70ms

MTA-STS

572ms

DNSSEC

619ms

SRV

561ms

Total

2406ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 13:55:28 shown	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	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