sysso.dk

📜 Historical scan 2026-08-27 18:45:29 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sysso.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 66.241.124.188 is hosted by Fly.io, Inc. (AS40509) in United States. Mail is handled by mx1.dandomain.dk, mx2.dandomain.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 39ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
66.241.124.188	3600s	ip-66-241-124-188.shared.customer.flyio.net	AS40509	Fly.io, Inc.	66.241.124.0/23	🇺🇸 United States	—

📧 MX Records#

2 records 56ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.dandomain.dk	212.237.249.50	mx1.dandomain.dk	AS48854 team.blue Denmark A/S
20	3600s	mx2.dandomain.dk	46.36.209.11	mx2.dandomain.dk	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover-mf.dandomain.dk → 212.237.249.98
🔶 Autoconfig	autoconfig-mf.dandomain.dk → 212.237.249.54

🔷 AAAA Records (IPv6)#

1 records 37ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a09:8280:1::7c:6646:0	3600s	ipv6.customer.flyio.net	AS40509	Fly.io, Inc.	2a09:8280:1:0:0:0:0:0/48	🇺🇸 United States	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 175ms

TXT Record
v=spf1 include:spf.dandomain.dk ip4:66.241.125.178 ip4:66.241.125.213 -all

✉️ SPF#

Policy	Record (sysso.dk)
-all (hard fail)	v=spf1 include:spf.dandomain.dk ip4:66.241.125.178 ip4:66.241.125.213 -all

📨 DMARC#

Policy	Record (_dmarc.sysso.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 01:19:35

www	66.241.124.188 (AS40509) (address records, no CNAME)
www vs bare domain	Same network sysso.dk: 66.241.124.188 2a09:8280:1::7c:6646:0 (AS40509) www.sysso.dk: 66.241.124.188 (AS40509)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

110ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026062601
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

39ms

44ms

56ms

AAAA

37ms

TXT

175ms

CAA

55ms

HTTPS

35ms

TLSA

211ms

SOA

0ms

MTA-STS

61ms

DNSSEC

110ms

SRV

69ms

Total

972ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 01:19:35	472ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-27 10:02:09	747ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-10 19:52:32	710ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-27 18:45:29 shown	972ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-27 13:39:47	1483ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-26 14:26:32	656ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-21 03:59:12	2515ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-17 17:46:59	1619ms	2 NS 1 A 2 MX	🔒 Secure