delta-isolering.dk

📜 Historical scan 2026-09-18 04:44:44 · ← 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 132ms

Nameserver	IP addresses	PTR	ASN / ISP
anirban.ns.cloudflare.com	108.162.193.64 172.64.33.64 173.245.59.64 2606:4700:58::adf5:3b40 2803:f800:50::6ca2:c140 2a06:98c1:50::ac40:2140	anirban.ns.cloudflare.com anirban.ns.cloudflare.com anirban.ns.cloudflare.com anirban.ns.cloudflare.com anirban.ns.cloudflare.com anirban.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
stella.ns.cloudflare.com	108.162.194.154 162.159.38.154 172.64.34.154 2606:4700:50::a29f:269a 2803:f800:50::6ca2:c29a 2a06:98c1:50::ac40:229a	stella.ns.cloudflare.com stella.ns.cloudflare.com stella.ns.cloudflare.com stella.ns.cloudflare.com stella.ns.cloudflare.com stella.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 138ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.10.241	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.147.17	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 98ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	deltaisolering-dk01c.mail.protection.outlook.com	2a01:111:f403:ca09::20 2a01:111:f403:ca21::8 2a01:111:f403:ca38::8 2a01:111:f403:ca3c::a 52.101.68.36 52.101.68.39 52.101.91.159 52.101.91.21	mail-as8pr05cu00400.inbound.protection.outlook.com mail-matpr04cu00100.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-matpr04cu00207.inbound.protection.outlook.com mail-matpr05cu00105.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 → 52.98.179.88

🔷 AAAA Records (IPv6)#

2 records 133ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:af1	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:9311	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 140ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.10.241,172.67.147.17 ech=AEX+DQBBcgAgACApdEFTfRETk7d3PYfPbpegl0iqrJgj8yKVB4K2BxrGDAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:af1,2606:4700:3037::ac43:9311

🔌 SRV Records#

1 records 567ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 227ms

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#

191ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415026348
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#

132ms

138ms

98ms

AAAA

133ms

TXT

227ms

CAA

157ms

HTTPS

140ms

TLSA

388ms

SOA

0ms

MTA-STS

160ms

DNSSEC

191ms

SRV

567ms

Total

1906ms

🕐 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 shown	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	1327ms	2 NS 2 A 1 MX	🔒 Secure