ballerup-isolering.dk

📜 Historical scan 2026-06-16 14:03:07 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ballerup-isolering.dk is a .dk domain served by 2 nameservers (graham.ns.cloudflare.com, jacqueline.ns.cloudflare.com). It was registered on 23 November 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.95.245 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by ballerupisolering-dk02b.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 49ms

Nameserver	IP addresses	PTR	ASN / ISP
graham.ns.cloudflare.com	—	—	—
jacqueline.ns.cloudflare.com	—	—	—

🌍 A Records#

2 records 48ms

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

📧 MX Records#

1 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	ballerupisolering-dk02b.mail.protection.outlook.com	52.101.68.3 52.101.68.5 52.101.73.1 52.101.73.12	mail-db7pr03cu00403.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

2 records 59ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:95c0	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3031::6815:5ff5	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 57ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBBlwAgACA41AMgc1sbai2CoOVhilCbC1JktSaHjQMIOv4l671bLwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1

📝 TXT Records#

2 records 170ms

TXT Record
google-site-verification=Q1q-N2l-n4M0FhAvlXSBfWH0Di7iA9Tnh_a8LmQnnJ0
v=spf1 a mx include:spf.protection.outlook.com ~all

✉️ SPF#

Policy	Record (ballerup-isolering.dk)
~all (soft fail)	v=spf1 a mx 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 2026-10-09 17:16:19

www	104.21.95.245 172.67.149.192 2606:4700:3030::6815:5ff5 2606:4700:3033::ac43:95c0 (AS13335) (address records, no CNAME)
www vs bare domain	Same network ballerup-isolering.dk: 104.21.95.245 172.67.149.192 2606:4700:3030::6815:5ff5 2606:4700:3033::ac43:95c0 (AS13335) www.ballerup-isolering.dk: 104.21.95.245 172.67.149.192 2606:4700:3030::6815:5ff5 2606:4700:3033::ac43:95c0 (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

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-ballerupisolering-dk02b._domainkey.balbyg.onmicrosoft.com	RSA · ~1024 bit below 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: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

188ms

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

🏷️ SOA#

51ms

Field	Value
Serial	2406662544
Primary NS (MNAME)	graham.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-04 09:01:11

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1998-11-23
Expires	2026-12-31 (74d)

📋 WHOIS#

⏱️ Lookup Timing#

49ms

48ms

51ms

AAAA

59ms

TXT

170ms

CAA

39ms

HTTPS

57ms

TLSA

127ms

SOA

51ms

MTA-STS

82ms

DNSSEC

188ms

SRV

0ms

Total

980ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 17:16:19	1081ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-04 08:23:05	1370ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-26 06:53:20	2337ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-24 06:34:22	1036ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-18 09:41:09	2356ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-27 15:19:27	2094ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-23 02:26:01	10709ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-06 10:35:31	1599ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-29 19:31:36	3473ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-26 22:19:24	18030ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-06 08:08:09	2072ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-20 19:48:10	694ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-16 14:03:07 shown	980ms	2 NS 2 A 1 MX	🔒 Secure