osterbros-boghandel.dk

📜 Historical scan 2026-06-18 09:00:37 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

osterbros-boghandel.dk is a .dk domain served by 2 nameservers (gerald.ns.cloudflare.com, lina.ns.cloudflare.com). It was registered on 30 October 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is not DNSSEC-signed, 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#

2 records 106ms

Nameserver	IP addresses	PTR	ASN / ISP
gerald.ns.cloudflare.com	108.162.193.168 172.64.33.168 173.245.59.168 2606:4700:58::adf5:3ba8 2803:f800:50::6ca2:c1a8 2a06:98c1:50::ac40:21a8	gerald.ns.cloudflare.com gerald.ns.cloudflare.com gerald.ns.cloudflare.com gerald.ns.cloudflare.com gerald.ns.cloudflare.com gerald.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
lina.ns.cloudflare.com	108.162.192.187 172.64.32.187 173.245.58.187 2606:4700:50::adf5:3abb 2803:f800:50::6ca2:c0bb 2a06:98c1:50::ac40:20bb	lina.ns.cloudflare.com lina.ns.cloudflare.com lina.ns.cloudflare.com lina.ns.cloudflare.com lina.ns.cloudflare.com lina.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 101ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.96.52	—	—	AS13335	—	—	—	—
172.67.173.71	—	—	AS13335	—	—	—	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	91.221.196.251
🔶 Autoconfig	91.221.196.251

🔷 AAAA Records (IPv6)#

2 records 129ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:6034	—	—	AS13335	—	—	—	—
2606:4700:3035::ac43:ad47	—	—	AS13335	—	—	—	—

🔐 HTTPS Records#

1 records 95ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.96.52,172.67.173.71 ech=AEX+DQBBGAAgACDW1GZR9hru+FihavF8Ivc7aBei9NRjU8+yljAtq2M/DQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:6034,2606:4700:3035::ac43:ad47

📝 TXT Records#

1 records 220ms

TXT Record
v=spf1 -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.osterbros-boghandel.dk)
p=reject	v=DMARC1; p=reject;

📬 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 20:45:16

www	104.21.96.52 172.67.173.71 2606:4700:3034::ac43:ad47 2606:4700:3036::6815:6034 (AS13335) (address records, no CNAME)
www vs bare domain	Same network osterbros-boghandel.dk: 104.21.96.52 172.67.173.71 2606:4700:3034::ac43:ad47 2606:4700:3036::6815:6034 (AS13335) www.osterbros-boghandel.dk: 104.21.96.52 172.67.173.71 2606:4700:3034::ac43:ad47 2606:4700:3036::6815:6034 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔎 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#

172ms

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

🏷️ SOA#

115ms

Field	Value
Serial	2404097460
Primary NS (MNAME)	gerald.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-10 21:09:14

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2020-10-30
Expires	2026-10-31 (5d)

📋 WHOIS#

⏱️ Lookup Timing#

106ms

101ms

130ms

AAAA

129ms

TXT

220ms

CAA

113ms

HTTPS

95ms

TLSA

554ms

SOA

115ms

MTA-STS

112ms

DNSSEC

172ms

SRV

128ms

Total

1492ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-26 18:42:32	660ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-25 18:15:37	634ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-12 08:04:26	1109ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-28 15:09:37	9770ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-12 17:30:34	832ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-18 09:00:37 shown	1492ms	2 NS 2 A 0 MX	🔓 Insecure