astrup-optik.dk

Records from scan: 2026-10-01 00:05:49 · 662ms total · last checked 2026-10-15 22:18 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

astrup-optik.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 35.241.247.115 is hosted by Google LLC (AS396982) in Belgium. Mail is handled by scanner01.resennet.dk, scanner02.resennet.dk and 1 more. 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 38ms

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 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
35.241.247.115	3600s	115.247.241.35.bc.googleusercontent.com	AS396982	Google LLC	35.240.0.0/13	🇧🇪 Belgium	Brussels

📧 MX Records#

3 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	scanner01.resennet.dk	193.32.65.29	scanner01.resennet.dk	AS3292 TDC Holding A/S
20	3600s	scanner02.resennet.dk	193.32.65.29	scanner01.resennet.dk	AS3292 TDC Holding A/S
30	3600s	scanner03.resennet.dk	193.32.65.29	scanner01.resennet.dk	AS3292 TDC Holding 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 193ms

TXT Record
v=spf1 include:_spf.resennet.dk include:spf2.onlineplus.dk -all

✉️ SPF#

Policy	Record (astrup-optik.dk)
-all (hard fail)	v=spf1 include:_spf.resennet.dk include:spf2.onlineplus.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#

checked 2026-10-08 13:15:38

www	35.241.247.115 (AS396982) (address records, no CNAME)
www vs bare domain	Same network astrup-optik.dk: 35.241.247.115 (AS396982) www.astrup-optik.dk: 35.241.247.115 (AS396982)
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: 9/10 · policy: -all

warn 9 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

93ms

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

🏷️ SOA#

30ms

Field	Value
Serial	2025090101
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.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#

38ms

32ms

36ms

AAAA

29ms

TXT

193ms

CAA

50ms

HTTPS

39ms

TLSA

119ms

SOA

30ms

MTA-STS

84ms

DNSSEC

93ms

SRV

84ms

Total

662ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 00:05:49 shown	662ms	2 NS 1 A 3 MX	🔒 Secure
2026-09-24 18:04:46	645ms	2 NS 1 A 3 MX	🔒 Secure
2026-09-04 02:03:56	591ms	2 NS 1 A 3 MX	🔒 Secure
2026-08-26 13:11:30	633ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-29 21:54:45	545ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-22 10:31:57	573ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-22 01:16:42	421ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-16 13:47:14	669ms	2 NS 1 A 3 MX	🔒 Secure