sifa.dk

📜 Historical scan 2026-06-18 07:11:18 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sifa.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 5 March 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.186 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by sifa-dk.mail.protection.outlook.com. 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#

4 records 37ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.186	—	linux163.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	sifa-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca04::6 2a01:111:f403:ca09::8 2a01:111:f403:ca09::c 52.101.68.3 52.101.73.1 52.101.73.26 52.101.73.6	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com mail-am6pr04cu00306.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 → 40.98.16.24
🔶 Autoconfig	94.231.109.37

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 131ms

TXT Record
google-site-verification=60qI8WoilaNRTSijcQl6WfPamQ1ukKbUqOnvfEiaWlE
sendinblue-code:8951b3b113a8b213985fa34ad1de447e
v=spf1 ip4:188.176.93.38 ip4:195.178.15.12 ip4:93.191.155.217 ip6:2603:10a6:209:8b::27 include:spf.curanet.dk include:spf.protection.outlook.com include:mailmailmail.net include:web.shared.mysmtp.com include:spf.sendinblue.com -all

✉️ SPF#

Policy	Record (sifa.dk)
-all (hard fail)	v=spf1 ip4:188.176.93.38 ip4:195.178.15.12 ip4:93.191.155.217 ip6:2603:10a6:209:8b::27 include:spf.curanet.dk include:spf.protection.outlook.com include:mailmailmail.net include:web.shared.mysmtp.com include:spf.sendinblue.com -all

📨 DMARC#

Policy	Record (_dmarc.sifa.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:administrator@sifa.dk

📬 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 17:55:41

www	94.231.103.186 (AS48854) (address records, no CNAME)
www vs bare domain	Same network sifa.dk: 94.231.103.186 (AS48854) www.sifa.dk: 94.231.103.186 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
mail	—	RSA · ~1024 bit below 2048 bit
selector1	selector1-sifa-dk._domainkey.sifa1.onmicrosoft.com	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 10/10 · policy: -all

warn 10 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

120ms

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

🏷️ SOA#

38ms

Field	Value
Serial	2025112802
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-07 18:29:17

Field	Value
Registrar	Simply.com A/S
Registered	1999-03-05
Expires	2027-03-31 (164d)

📋 WHOIS#

⏱️ Lookup Timing#

37ms

36ms

33ms

AAAA

34ms

TXT

131ms

CAA

30ms

HTTPS

44ms

TLSA

1204ms

SOA

38ms

MTA-STS

36ms

DNSSEC

120ms

SRV

120ms

Total

1941ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 17:55:41	1307ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-01 06:28:40	938ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-30 06:20:42	1291ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-11 19:37:24	17129ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-18 07:11:18 shown	1941ms	4 NS 1 A 1 MX	🔒 Secure