sylca.dk

📜 Historical scan 2026-10-11 21:28:12 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sylca.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 5 August 2026 (WHOIS) and first appeared in the .dk zone on 6 August 2026. Its website address 57.174.168.91 is hosted by Microsoft Corporation (AS8075) in Sweden. Mail is handled by sylca-dk.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#

3 records 35ms

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

🌍 A Records#

1 records 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
57.174.168.91	3600s	—	AS8075	Microsoft Corporation	57.160.0.0/12	🇸🇪 Sweden	—

📧 MX Records#

1 records 29ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	sylca-dk.mail.protection.outlook.com	2a01:111:f403:c967:: 2a01:111:f403:c967::2 2a01:111:f403:c967::4 2a01:111:f403:c967::6 52.101.209.2 52.101.209.4 52.101.209.6 52.101.209.74	mail-cpcp307cu00400.inbound.protection.outlook.com mail-cpap307cu00402.inbound.protection.outlook.com mail-cpap307cu00204.inbound.protection.outlook.com mail-cpcp307cu00206.inbound.protection.outlook.com mail-cpap307cu00402.inbound.protection.outlook.com mail-cpap307cu00204.inbound.protection.outlook.com mail-cpcp307cu00206.inbound.protection.outlook.com mail-cpcp307cu00402.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 → 52.98.154.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 101ms

TXT Record
MS=ms23510716
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (sylca.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.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 2026-10-12 23:09:40

www CNAME	sylca-frontend-app.bravesand-6921bb45.swedencentral.azurecontainerapps.io (all on azurecontainerapps.io) → 57.174.168.91 (AS8075)
www vs bare domain	Same network sylca.dk: 57.174.168.91 (AS8075) www.sylca.dk: 57.174.168.91 (AS8075)
Wildcard	No
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

🔎 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#

120ms

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

🏷️ SOA#

35ms

Field	Value
Serial	2026101101
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 2026-10-11 22:00:08

Field	Value
Registrar	Simply.com A/S
Registered	2026-08-05
Expires	2027-08-04 (280d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

35ms

43ms

29ms

AAAA

43ms

TXT

101ms

CAA

27ms

HTTPS

27ms

TLSA

734ms

SOA

35ms

MTA-STS

45ms

DNSSEC

120ms

SRV

48ms

Total

2070ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 23:09:39	1124ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-11 21:28:12 shown	2070ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-04 17:49:32	2395ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-23 15:38:34	805ms	3 NS 0 A 1 MX	🔒 Secure
2026-09-10 14:32:02	3040ms	3 NS 0 A 1 MX	🔒 Secure
2026-08-21 18:38:42	1735ms	3 NS 0 A 1 MX	🔒 Secure
2026-08-13 22:52:52	1509ms	3 NS 0 A 0 MX	🔒 Secure
2026-08-06 08:36:18	806ms	3 NS 0 A 0 MX	🔒 Secure