sylan.dk

📜 Historical scan 2026-10-09 13:31:31 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sylan.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 11 June 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.106.19 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by sylan-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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#

3 records 36ms

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 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.106.19	600s	linux200.curanet.dk	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	sylan-dk.mail.protection.outlook.com	2a01:111:f403:c967::c 2a01:111:f403:ca04::e 2a01:111:f403:ca09::24 2a01:111:f403:ca48::c 52.101.68.21 52.101.73.123 52.101.73.145 52.101.91.153	mail-cpjpr05cu00204.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-am6pr02cu00301.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 → 52.98.149.152
🔶 Autoconfig	sylan.dk → 94.231.106.19

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 116ms

TXT Record
v=spf1 ip4:85.191.100.132 include:spf.minuba.dk include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (sylan.dk)
-all (hard fail)	v=spf1 ip4:85.191.100.132 include:spf.minuba.dk include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.sylan.dk)
p=reject	v=DMARC1;p=reject;

📬 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 18:55:43

www	94.231.106.19 (AS48854) (address records, no CNAME)
www vs bare domain	Same network sylan.dk: 94.231.106.19 (AS48854) www.sylan.dk: 94.231.106.19 (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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.sylan.dk	sylan.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

129ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

53ms

Field	Value
Serial	2026100504
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 2026-10-06 10:42:05

Field	Value
Registrar	Simply.com A/S
Registered	2005-06-11
Expires	2027-06-30 (256d)

📋 WHOIS#

⏱️ Lookup Timing#

36ms

38ms

40ms

AAAA

48ms

TXT

116ms

CAA

41ms

HTTPS

37ms

TLSA

610ms

SOA

53ms

MTA-STS

54ms

DNSSEC

129ms

SRV

51ms

Total

1520ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 18:55:43	1190ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-09 13:31:31 shown	1520ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-06 10:21:01	1323ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-03 07:59:07	1137ms	5 NS 1 A 1 MX	🔒 Secure
2026-07-29 05:45:04	4351ms	5 NS 1 A 1 MX	🔒 Secure
2026-07-03 19:07:14	1210ms	5 NS 1 A 1 MX	🔒 Secure
2026-06-24 10:05:21	1964ms	5 NS 1 A 1 MX	⚠️ Bogus
2026-06-23 23:57:14	1164ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-19 19:01:51	747ms	5 NS 1 A 1 MX	🔒 Secure
2026-06-18 00:10:54	1432ms	5 NS 1 A 1 MX	🔒 Secure