syoss.dk DNS records

🖥️ Nameservers2 records 220ms

Nameserver	IP addresses	PTR	ASN / ISP
udns1.cscdns.net	2001:502:f3ff::201 204.74.66.1	udns1.cscdns.uk udns1.cscdns.net	AS12008 Vercara, LLC AS12008 Vercara, LLC
udns2.cscdns.uk	2001:502:4612::201 204.74.111.1	udns2.cscdns.net ns2.webipdns.com.au	AS12008 Vercara, LLC AS12008 Vercara, LLC

🌍 A Records4 records 234ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
18.239.83.17	60s	server-18-239-83-17.ams58.r.cloudfront.net	AS16509	Amazon.com, Inc.	18.239.80.0/21	🇺🇸 United States	—
18.239.83.23	60s	server-18-239-83-23.ams58.r.cloudfront.net	AS16509	Amazon.com, Inc.	18.239.80.0/21	🇺🇸 United States	—
18.239.83.71	60s	server-18-239-83-71.ams58.r.cloudfront.net	AS16509	Amazon.com, Inc.	18.239.80.0/21	🇺🇸 United States	—
18.239.83.75	60s	server-18-239-83-75.ams58.r.cloudfront.net	AS16509	Amazon.com, Inc.	18.239.80.0/21	🇺🇸 United States	—

📧 MX Records1 records 232ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	28800s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)8 records 202ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2600:9000:215d:2c00:17:a2ff:7dc0:93a1	300s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:215d:2e00:17:a2ff:7dc0:93a1	300s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:215d:4a00:17:a2ff:7dc0:93a1	300s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:215d:5c00:17:a2ff:7dc0:93a1	300s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:215d:a200:17:a2ff:7dc0:93a1	300s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:215d:d600:17:a2ff:7dc0:93a1	300s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:215d:e00:17:a2ff:7dc0:93a1	300s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—
2600:9000:215d:ee00:17:a2ff:7dc0:93a1	300s	—	AS16509	Amazon.com, Inc.	2600:9000:0:0:0:0:0:0/34	🇺🇸 United States	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 560ms

TXT Record
v=spf1 -all

✉️ SPF

Policy	Record (syoss.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC

Policy	Record (_dmarc.syoss.dk)
p=reject	v=DMARC1; p=reject; sp=none; aspf=s; adkim=s

📬 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

🔗 TLSA / DANE

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

🔐 DNSSEC317ms

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

🏷️ SOA209ms

Field	Value
Serial	2019111120
Primary NS (MNAME)	udns1.cscdns.net
Responsible (RNAME)	premiumdns@support.neustar
Refresh	7200s
Retry	7200s
Expire	2419200s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

220ms

A

234ms

MX

232ms

AAAA

202ms

TXT

560ms

CAA

357ms

HTTPS

232ms

TLSA

484ms

SOA

209ms

MTA-STS

228ms

DNSSEC

317ms

SRV

241ms

Total

1672ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-28 00:22:41	1672ms	2 NS 4 A 1 MX	🔓 Insecure	View
2026-06-27 22:21:59	944ms	2 NS 4 A 1 MX	🔓 Insecure	View
2026-06-25 09:05:44	2225ms	2 NS 4 A 1 MX	🔓 Insecure	View
2026-06-20 23:07:36	693ms	2 NS 4 A 1 MX	🔓 Insecure	View
2026-06-20 01:38:48	860ms	2 NS 4 A 1 MX	🔓 Insecure	View
2026-06-17 22:27:37	3573ms	2 NS 4 A 0 MX	🔓 Insecure	View