prastbro.dk

📜 Historical scan 2026-09-26 12:25:57 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

prastbro.dk is a .dk domain served by 2 nameservers (bruce.ns.cloudflare.com, ullis.ns.cloudflare.com). It was registered on 15 January 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.48.187 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by prastbro-dk.mail.protection.outlook.com. 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 39ms

Nameserver	IP addresses	PTR	ASN / ISP
bruce.ns.cloudflare.com	108.162.193.77 172.64.33.77 173.245.59.77 2606:4700:58::adf5:3b4d 2803:f800:50::6ca2:c14d 2a06:98c1:50::ac40:214d	bruce.ns.cloudflare.com bruce.ns.cloudflare.com bruce.ns.cloudflare.com bruce.ns.cloudflare.com bruce.ns.cloudflare.com bruce.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ullis.ns.cloudflare.com	108.162.194.127 162.159.38.127 172.64.34.127 2606:4700:50::a29f:267f 2803:f800:50::6ca2:c27f 2a06:98c1:50::ac40:227f	ullis.ns.cloudflare.com ullis.ns.cloudflare.com ullis.ns.cloudflare.com ullis.ns.cloudflare.com ullis.ns.cloudflare.com ullis.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 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.48.187	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.187.196	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	prastbro-dk.mail.protection.outlook.com	2a01:111:f403:ca04::e 2a01:111:f403:ca04::f 2a01:111:f403:ca38::8 2a01:111:f403:ca48::c 52.101.185.21 52.101.209.28 52.101.68.25 52.101.73.126	mail-db8pr02cu00106.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.48.187
🔶 Autoconfig	104.21.48.187

🔷 AAAA Records (IPv6)#

2 records 36ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:bbc4	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:30bb	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 38ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.48.187,172.67.187.196 ech=AEX+DQBBNwAgACDOo6zzzHdoH45Az6aHWK4YMXnDVugtAXTQA3aguUe+LwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:bbc4,2606:4700:3036::6815:30bb

📝 TXT Records#

4 records 202ms

TXT Record
apple-domain-verification=oUmiSB6PKH2XcIPg
facebook-domain-verification=a4jcw9gqil5qv3rsntgeg2vu63abjk
MS=ms89325962
v=spf1 include:spf.protection.outlook.com include:spf.simply.com ~all

✉️ SPF#

Policy	Record (prastbro.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com include:spf.simply.com ~all

📨 DMARC#

Policy	Record (_dmarc.prastbro.dk)
p=reject	v=DMARC1;p=reject; pct=100; ruf=mailto:thomas@prastbro.dk;

📬 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 18:14:39

www	104.21.48.187 172.67.187.196 2606:4700:3033::ac43:bbc4 2606:4700:3036::6815:30bb (AS13335) (address records, no CNAME)
www vs bare domain	Same network prastbro.dk: 104.21.48.187 172.67.187.196 2606:4700:3033::ac43:bbc4 2606:4700:3036::6815:30bb (AS13335) www.prastbro.dk: 104.21.48.187 172.67.187.196 2606:4700:3033::ac43:bbc4 2606:4700:3036::6815:30bb (AS13335)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-prastbro-dk._domainkey.prastbro.onmicrosoft.com	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

95ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415324727
Primary NS (MNAME)	bruce.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-09 18:25:03

Field	Value
Registrar	Simply.com A/S
Registered	2005-01-15
Expires	2027-01-31 (104d)

📋 WHOIS#

⏱️ Lookup Timing#

39ms

41ms

32ms

AAAA

36ms

TXT

202ms

CAA

40ms

HTTPS

38ms

TLSA

751ms

SOA

0ms

MTA-STS

57ms

DNSSEC

95ms

SRV

63ms

Total

1364ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 18:14:39	2409ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 10:54:06	1162ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-26 12:25:57 shown	1364ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-22 11:02:35	1330ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-07 05:53:50	1890ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-22 22:21:28	1339ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-21 02:33:22	710ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 15:23:36	2196ms	2 NS 2 A 1 MX	🔓 Insecure