sydbak.dk

📜 Historical scan 2026-09-28 20:15:41 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sydbak.dk is a .dk domain served by 3 nameservers (blue.foundationdns.com, blue.foundationdns.net, blue.foundationdns.org). It was registered on 8 July 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 141.101.90.96 is hosted by Cloudflare, Inc. (AS13335). 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#

3 records 42ms

Nameserver	IP addresses	PTR	ASN / ISP
blue.foundationdns.com	108.162.198.1 162.159.60.1 172.64.40.1 2606:4700:57::6ca2:c601 2803:f800:52::a29f:3c01 2a06:98c1:56::ac40:2801	blue.foundationdns.com blue.foundationdns.com blue.foundationdns.com blue.foundationdns.com blue.foundationdns.com blue.foundationdns.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
blue.foundationdns.net	108.162.198.31 162.159.60.31 172.64.40.31 2606:4700:57::6ca2:c61f 2803:f800:52::a29f:3c1f 2a06:98c1:56::ac40:281f	blue.foundationdns.net blue.foundationdns.net blue.foundationdns.net blue.foundationdns.net blue.foundationdns.net blue.foundationdns.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
blue.foundationdns.org	108.162.198.61 162.159.60.61 172.64.40.61 2606:4700:57::6ca2:c63d 2803:f800:52::a29f:3c3d 2a06:98c1:56::ac40:283d	blue.foundationdns.org blue.foundationdns.org blue.foundationdns.org blue.foundationdns.org blue.foundationdns.org blue.foundationdns.org	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

4 records 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
141.101.90.96	300s	—	AS13335	Cloudflare, Inc.	141.101.90.0/24	—	—
141.101.90.97	300s	—	AS13335	Cloudflare, Inc.	141.101.90.0/24	—	—
141.101.90.98	300s	—	AS13335	Cloudflare, Inc.	141.101.90.0/24	—	—
141.101.90.99	300s	—	AS13335	Cloudflare, Inc.	141.101.90.0/24	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

4 records 60ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a06:98c1:3200::90:0	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3200:0:0:0:0:0/48	—	—
2a06:98c1:3200::90:1	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3200:0:0:0:0:0/48	—	—
2a06:98c1:3200::90:2	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3200:0:0:0:0:0/48	—	—
2a06:98c1:3200::90:3	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3200:0:0:0:0:0/48	—	—

🔐 HTTPS Records#

1 records 50ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=141.101.90.96,141.101.90.97,141.101.90.98,141.101.90.99 ech=AEX+DQBBiwAgACDC3OELp9JvuntXRyaGNe3HOWckYE+7pTKtMUuZptJQaAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3200::90:0,2a06:98c1:3200::90:1,2a06:98c1:3200::90:2,2a06:98c1:3200::90:3

📝 TXT Records#

1 records 187ms

TXT Record
v=SPF1 -all

✉️ SPF#

Policy	Record (sydbak.dk)
-all (hard fail)	v=SPF1 -all

📨 DMARC#

Policy	Record (_dmarc.sydbak.dk)
p=reject	v=DMARC1; p=reject; sp=reject; rua=mailto:dmarcrpt@sydbank.dk; ruf=mailto:dmarcrpt@sydbank.dk; fo=1

📬 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 2026-10-07 15:25:40

www	141.101.90.96 141.101.90.97 141.101.90.98 141.101.90.99 2a06:98c1:3200::90:0 2a06:98c1:3200::90:1 2a06:98c1:3200::90:2 2a06:98c1:3200::90:3 (AS13335) (address records, no CNAME)
www vs bare domain	Same network sydbak.dk: 141.101.90.96 141.101.90.97 141.101.90.98 141.101.90.99 (AS13335) www.sydbak.dk: 141.101.90.96 141.101.90.97 141.101.90.98 141.101.90.99 (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
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: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

108ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2416081007
Primary NS (MNAME)	blue.foundationdns.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-06 10:07:39

Field	Value
Registrar	Eurodns S.A
Registered	2009-07-08
Expires	2027-07-31 (283d)

📋 WHOIS#

⏱️ Lookup Timing#

42ms

40ms

35ms

AAAA

60ms

TXT

187ms

CAA

52ms

HTTPS

50ms

TLSA

373ms

SOA

0ms

MTA-STS

64ms

DNSSEC

108ms

SRV

69ms

Total

1009ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 15:25:40	565ms	3 NS 4 A 0 MX	🔒 Secure
2026-09-30 20:43:39	693ms	3 NS 4 A 0 MX	🔒 Secure
2026-09-28 20:15:41 shown	1009ms	3 NS 4 A 0 MX	🔒 Secure
2026-09-27 20:01:44	636ms	3 NS 4 A 0 MX	🔒 Secure
2026-09-27 19:38:18	1042ms	3 NS 4 A 0 MX	🔒 Secure
2026-09-06 12:06:36	1144ms	3 NS 4 A 0 MX	🔒 Secure
2026-08-27 12:27:39	993ms	3 NS 4 A 0 MX	🔒 Secure
2026-08-12 09:06:24	5064ms	3 NS 4 A 0 MX	🔒 Secure
2026-07-31 03:22:12	2990ms	3 NS 4 A 0 MX	🔒 Secure
2026-07-19 10:52:08	1210ms	3 NS 4 A 0 MX	🔒 Secure
2026-06-26 03:27:15	840ms	3 NS 4 A 0 MX	🔒 Secure
2026-06-17 11:35:00	991ms	3 NS 4 A 0 MX	🔒 Secure