dahlstrøm-byg.dk xn--dahlstrm-byg-1jb.dk

Records from scan: 2026-10-07 12:59:58 · 487ms total · last checked 2026-10-22 12:01 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dahlstrøm-byg.dk is a .dk domain served by 2 nameservers (desi.ns.cloudflare.com, jim.ns.cloudflare.com). It was registered on 10 May 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by xndahlstrmbyg1jb-dk0m2bb.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a 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 32ms

Nameserver	IP addresses	PTR	ASN / ISP
desi.ns.cloudflare.com	108.162.192.96 172.64.32.96 173.245.58.96 2606:4700:50::adf5:3a60 2803:f800:50::6ca2:c060 2a06:98c1:50::ac40:2060	desi.ns.cloudflare.com desi.ns.cloudflare.com desi.ns.cloudflare.com desi.ns.cloudflare.com desi.ns.cloudflare.com desi.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
jim.ns.cloudflare.com	108.162.193.125 172.64.33.125 173.245.59.125 2606:4700:58::adf5:3b7d 2803:f800:50::6ca2:c17d 2a06:98c1:50::ac40:217d	jim.ns.cloudflare.com jim.ns.cloudflare.com jim.ns.cloudflare.com jim.ns.cloudflare.com jim.ns.cloudflare.com jim.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	xndahlstrmbyg1jb-dk0m2bb.mail.protection.outlook.com	2a01:111:f403:c967::a 2a01:111:f403:ca04::c 2a01:111:f403:ca21::8 2a01:111:f403:ca48::e 52.101.103.143 52.101.68.27 52.101.68.39 52.101.73.145	mail-cpjpr05cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-matpr04cu00100.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am6pr02cu00301.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	autodiscover.outlook.com → 52.98.154.136
🔶 Autoconfig	172.67.165.57

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 190ms

TXT Record
MS=ms45445088
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (dahlstrøm-byg.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.dahlstrøm-byg.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:7107ccf174044ae4bdf67208e667cb3b@dmarc-reports.cloudflare.net

📬 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 2026-10-12 16:37:14

www	104.21.81.217 172.67.165.57 2606:4700:3033::ac43:a539 2606:4700:3035::6815:51d9 (AS13335) (address records, no CNAME)
www vs bare domain	Only www resolves dahlstrøm-byg.dk: no address www.dahlstrøm-byg.dk: 104.21.81.217 172.67.165.57 2606:4700:3033::ac43:a539 2606:4700:3035::6815:51d9 (AS13335) (all like this)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

55ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

33ms

Field	Value
Serial	2416707432
Primary NS (MNAME)	desi.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 13:05:47

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2024-05-10
Expires	2027-05-09 (197d)

📋 WHOIS#

⏱️ Lookup Timing#

32ms

28ms

32ms

AAAA

37ms

TXT

190ms

CAA

31ms

HTTPS

34ms

TLSA

53ms

SOA

33ms

MTA-STS

51ms

DNSSEC

55ms

SRV

54ms

Total

487ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 12:59:58 shown	487ms	2 NS 0 A 1 MX	🔒 Secure
2026-10-01 08:18:35	790ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-29 21:15:02	931ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-26 19:27:19	1466ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-25 19:12:57	928ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-24 18:58:32	744ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-23 21:59:47	1738ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-12 12:45:50	892ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-25 23:33:11	983ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-19 08:22:51	1727ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-28 15:45:32	4366ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-26 11:39:02	1623ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-18 05:06:59	3856ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-03 14:14:06	10758ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-25 12:54:18	1673ms	2 NS 0 A 1 MX	⚠️ Bogus
2026-06-21 11:29:03	314ms	0 NS 0 A 0 MX	🔒 Secure
2026-06-21 04:35:58	1237ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-21 02:44:47	341ms	0 NS 0 A 0 MX	🔒 Secure
2026-06-16 23:43:57	543ms	2 NS 0 A 1 MX	⚠️ Bogus
2026-06-16 23:41:33	3098ms	2 NS 0 A 1 MX	🔒 Secure