returbat.dk

📜 Historical scan 2026-06-24 04:11:43 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

returbat.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 19 February 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.41.114 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1.onlinemail.io. The zone is DNSSEC-signed and validates, has no 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#

2 records 146ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.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
ns2.curanet.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 160ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.41.114	3600s	linux22.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 159ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	mx1.onlinemail.io	185.21.42.12	mx1.onlinemail.io	AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 315ms

TXT Record
v=spf1 a include:spf.curanet.dk ~all

✉️ SPF#

Policy	Record (returbat.dk)
~all (soft fail)	v=spf1 a include:spf.curanet.dk ~all

📨 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#

latest probe, not this scan · checked 2026-10-11 09:20:30

www CNAME	returbat.dk (all on returbat.dk) → 185.21.41.114 (AS48854)
www vs bare domain	Same network returbat.dk: 185.21.41.114 (AS48854) www.returbat.dk: 185.21.41.114 (AS48854)
Wildcard	No
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: 4/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

206ms

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

🏷️ SOA#

129ms

Field	Value
Serial	2025121901
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-09 12:55:37

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1998-02-19
Expires	2027-03-31 (159d)

📋 WHOIS#

⏱️ Lookup Timing#

146ms

160ms

159ms

AAAA

154ms

TXT

315ms

CAA

139ms

HTTPS

135ms

TLSA

65ms

SOA

129ms

MTA-STS

144ms

DNSSEC

206ms

SRV

166ms

Total

697ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 02:29:59	360ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 12:00:08	601ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 04:11:43 shown	697ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 00:59:19	957ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 00:28:48	924ms	2 NS 1 A 1 MX	🔒 Secure