acrossboundaries.dk

📜 Historical scan 2026-09-25 05:03:22 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

acrossboundaries.dk is a .dk domain served by 2 nameservers (cloe.ns.cloudflare.com, sri.ns.cloudflare.com). It was registered on 19 February 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.90.184 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com and 2 more. 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 43ms

Nameserver	IP addresses	PTR	ASN / ISP
cloe.ns.cloudflare.com	108.162.192.86 172.64.32.86 173.245.58.86 2606:4700:50::adf5:3a56 2803:f800:50::6ca2:c056 2a06:98c1:50::ac40:2056	cloe.ns.cloudflare.com cloe.ns.cloudflare.com cloe.ns.cloudflare.com cloe.ns.cloudflare.com cloe.ns.cloudflare.com cloe.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sri.ns.cloudflare.com	108.162.193.234 172.64.33.234 173.245.59.234 2606:4700:58::adf5:3bea 2803:f800:50::6ca2:c1ea 2a06:98c1:50::ac40:21ea	sri.ns.cloudflare.com sri.ns.cloudflare.com sri.ns.cloudflare.com sri.ns.cloudflare.com sri.ns.cloudflare.com sri.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
104.21.90.184	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.203.210	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

4 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.pub.mailpod11-cph3.one.com	104.37.34.230	mx1.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	300s	mx2.pub.mailpod11-cph3.one.com	104.37.34.231	mx2.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	300s	mx3.pub.mailpod11-cph3.one.com	104.37.34.232	mx3.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	300s	mx4.pub.mailpod11-cph3.one.com	104.37.34.233	mx4.pub.mailpod11-cph3.one.com	AS51468 One.com A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.90.184
🔶 Autoconfig	104.21.90.184

🔷 AAAA Records (IPv6)#

2 records 38ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:5ab8	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:cbd2	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 36ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.90.184,172.67.203.210 ech=AEX+DQBBzQAgACDfQjU1MidqNtPYOIT3nHNBVrBTiQHUPLH0WJStyEBGJAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:5ab8,2606:4700:3033::ac43:cbd2

📝 TXT Records#

1 records 176ms

TXT Record
v=spf1 -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.acrossboundaries.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 2026-10-11 13:15:18

www	104.21.90.184 172.67.203.210 2606:4700:3031::6815:5ab8 2606:4700:3033::ac43:cbd2 (AS13335) (address records, no CNAME)
www vs bare domain	Same network acrossboundaries.dk: 104.21.90.184 172.67.203.210 2606:4700:3031::6815:5ab8 2606:4700:3033::ac43:cbd2 (AS13335) www.acrossboundaries.dk: 104.21.90.184 172.67.203.210 2606:4700:3031::6815:5ab8 2606:4700:3033::ac43:cbd2 (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#

4 records 74ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	24F573980561755185B794745411B05D…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	24F573980561755185B794745411B05D…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	24F573980561755185B794745411B05D…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	24F573980561755185B794745411B05D…

🔐 DNSSEC#

116ms

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	2415708850
Primary NS (MNAME)	cloe.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-07 12:48:16

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2010-02-19
Expires	2027-07-31 (284d)

📋 WHOIS#

⏱️ Lookup Timing#

43ms

38ms

50ms

AAAA

38ms

TXT

176ms

CAA

38ms

HTTPS

36ms

TLSA

74ms

SOA

0ms

MTA-STS

53ms

DNSSEC

116ms

SRV

60ms

Total

880ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 05:56:24	910ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-25 05:03:22 shown	880ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-22 23:55:34	1644ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-01 14:23:21	10209ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-28 05:26:52	1356ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-27 07:58:05	848ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-03 11:30:40	1159ms	2 NS 2 A 4 MX	🔓 Insecure
2026-07-25 15:43:58	3073ms	2 NS 2 A 4 MX	🔓 Insecure
2026-07-02 00:09:00	1700ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-16 12:36:23	754ms	2 NS 2 A 4 MX	🔓 Insecure