osterbrosboghandel.dk

📜 Historical scan 2026-06-18 08:18:06 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

osterbrosboghandel.dk is a .dk domain served by 2 nameservers (gerald.ns.cloudflare.com, lina.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.91.51 is hosted by Cloudflare, Inc. (AS13335). 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 36ms

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 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.91.51	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.166.191	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 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 36ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:a6bf	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:5b33	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 35ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.91.51,172.67.166.191 ech=AEX+DQBBGAAgACDW1GZR9hru+FihavF8Ivc7aBei9NRjU8+yljAtq2M/DQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:a6bf,2606:4700:3036::6815:5b33

📝 TXT Records#

1 records 196ms

TXT Record
v=spf1 -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.osterbrosboghandel.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 2026-10-09 18:07:59

www	104.21.91.51 172.67.166.191 2606:4700:3031::ac43:a6bf 2606:4700:3035::6815:5b33 (AS13335) (address records, no CNAME)
www vs bare domain	Same network osterbrosboghandel.dk: 104.21.91.51 172.67.166.191 2606:4700:3031::ac43:a6bf 2606:4700:3035::6815:5b33 (AS13335) www.osterbrosboghandel.dk: 104.21.91.51 172.67.166.191 2606:4700:3031::ac43:a6bf 2606:4700:3035::6815:5b33 (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#

139ms

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

🏷️ SOA#

37ms

Field	Value
Serial	2404156223
Primary NS (MNAME)	gerald.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

36ms

38ms

39ms

AAAA

36ms

TXT

196ms

CAA

56ms

HTTPS

35ms

TLSA

66ms

SOA

37ms

MTA-STS

59ms

DNSSEC

139ms

SRV

111ms

Total

1049ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 00:47:06	607ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-25 18:16:33	594ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-16 02:03:53	1615ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-09 00:30:28	1471ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-06 11:23:56	10032ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-04 08:18:05	516ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-26 17:05:13	769ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-12 09:46:12	9876ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-18 08:18:06 shown	1049ms	2 NS 2 A 0 MX	🔓 Insecure