rybio.dk

Records from scan: 2026-10-03 05:50:52 · 516ms total · last checked 2026-10-25 12:00 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rybio.dk is a .dk domain served by 2 nameservers (curns01.dnsadmin.dk, curns02.dnsadmin.dk). It was registered on 25 July 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 176.62.207.21 is hosted by Itm8 A/S (AS57030) in Denmark. Mail is handled by mx3.redhost.dk. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 30ms

Nameserver	IP addresses	PTR	ASN / ISP
curns01.dnsadmin.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
curns02.dnsadmin.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
176.62.207.21	3600s	—	AS57030	Itm8 A/S	176.62.200.0/21	🇩🇰 Denmark	Kolding

📧 MX Records#

1 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx3.redhost.dk	77.66.124.103	web3.redhost.dk	AS47292 Sentia Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	176.62.207.42
🔶 Autoconfig	176.62.207.42

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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#

checked 2026-10-18 06:28:08

www	176.62.207.21 (AS57030) (address records, no CNAME)
www vs bare domain	Same network rybio.dk: 176.62.207.21 (AS57030) www.rybio.dk: 176.62.207.21 (AS57030)
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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

62ms

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

🏷️ SOA#

27ms

Field	Value
Serial	2026092401
Primary NS (MNAME)	curns01.dnsadmin.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-14 09:47:20

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2008-07-25
Expires	2027-07-31 (277d)

🔗 Same registrant#

2 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).

Domain	Registrar
ry-biograf.dk	Punktum dk A/S (direct)
rybiograf.dk	WANNAFIND.DK A/S

📋 WHOIS#

⏱️ Lookup Timing#

30ms

33ms

39ms

AAAA

26ms

TXT

131ms

CAA

23ms

HTTPS

39ms

TLSA

170ms

SOA

27ms

MTA-STS

39ms

DNSSEC

62ms

SRV

58ms

Total

516ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 05:50:52 shown	516ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 13:35:22	500ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 13:17:42	451ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-22 14:36:35	1568ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-07 04:05:24	501ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-03 01:23:34	3287ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 10:51:49	1563ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 17:07:27	933ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 08:37:39	1103ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 13:17:16	1474ms	2 NS 1 A 1 MX	🔒 Secure