delta-isolering.dk

📜 Historical scan 2026-06-17 01:41:03 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

delta-isolering.dk is a .dk domain served by 2 nameservers (anirban.ns.cloudflare.com, stella.ns.cloudflare.com). It was registered on 20 August 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.10.241 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by deltaisolering-dk01c.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no 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 73ms

Nameserver	IP addresses	PTR	ASN / ISP
anirban.ns.cloudflare.com	—	—	—
stella.ns.cloudflare.com	—	—	—

🌍 A Records#

2 records 71ms

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

📧 MX Records#

1 records 87ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	deltaisolering-dk01c.mail.protection.outlook.com	52.101.68.16 52.101.68.27 52.101.73.26 52.101.73.6	mail-db4pr02cu00400.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com mail-am6pr04cu00306.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

2 records 73ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:af1	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:9311	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 60ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.10.241,172.67.147.17 ech=AEX+DQBBJQAgACAcN7sXzbkfBzYdRONrkLyX+Km5Fc4T8trkpLKynbj9DgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:af1,2606:4700:3037::ac43:9311

📝 TXT Records#

2 records 180ms

TXT Record
MS=ms41754294
v=spf1 include:spf.mailanyone.net include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (delta-isolering.dk)
-all (hard fail)	v=spf1 include:spf.mailanyone.net include:spf.protection.outlook.com -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-10 09:18:20

www	104.21.10.241 172.67.147.17 2606:4700:3033::6815:af1 2606:4700:3037::ac43:9311 (AS13335) (address records, no CNAME)
www vs bare domain	Same network delta-isolering.dk: 104.21.10.241 172.67.147.17 2606:4700:3033::6815:af1 2606:4700:3037::ac43:9311 (AS13335) www.delta-isolering.dk: 104.21.10.241 172.67.147.17 2606:4700:3033::6815:af1 2606:4700:3037::ac43:9311 (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
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: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

199ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

49ms

Field	Value
Serial	2406731939
Primary NS (MNAME)	anirban.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-08 01:37:07

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2012-08-20
Expires	2027-08-31 (318d)

📋 WHOIS#

⏱️ Lookup Timing#

73ms

71ms

87ms

AAAA

73ms

TXT

180ms

CAA

67ms

HTTPS

60ms

TLSA

311ms

SOA

49ms

MTA-STS

82ms

DNSSEC

199ms

SRV

0ms

Total

1327ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 09:18:20	857ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-09 09:02:42	1016ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-24 18:09:56	1018ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-21 19:10:35	2450ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-18 04:44:44	1906ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-11 02:41:39	2321ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-03 22:52:16	678ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-30 03:19:57	1331ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-27 17:45:44	1394ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-23 17:56:30	4891ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-03 07:09:56	1378ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-25 09:32:30	1634ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-08 15:03:32	10735ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-02 00:17:12	1303ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-17 01:54:14	913ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-17 01:41:03 shown	1327ms	2 NS 2 A 1 MX	🔒 Secure