stolborg.dk

Records from scan: 2026-10-05 17:25:59 · 1819ms total · last checked 2026-10-19 07:58 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

stolborg.dk is a .dk domain served by 2 nameservers (ada.ns.cloudflare.com, ray.ns.cloudflare.com). It was registered on 25 June 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.39.48 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by stolborg-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 38ms

Nameserver	IP addresses	PTR	ASN / ISP
ada.ns.cloudflare.com	108.162.192.54 172.64.32.54 173.245.58.54 2606:4700:50::adf5:3a36 2803:f800:50::6ca2:c036 2a06:98c1:50::ac40:2036	ada.ns.cloudflare.com ada.ns.cloudflare.com ada.ns.cloudflare.com ada.ns.cloudflare.com ada.ns.cloudflare.com ada.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ray.ns.cloudflare.com	108.162.193.138 172.64.33.138 173.245.59.138 2606:4700:58::adf5:3b8a 2803:f800:50::6ca2:c18a 2a06:98c1:50::ac40:218a	ray.ns.cloudflare.com ray.ns.cloudflare.com ray.ns.cloudflare.com ray.ns.cloudflare.com ray.ns.cloudflare.com ray.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 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.39.48	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.143.55	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 27ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	stolborg-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::c 2a01:111:f403:ca09::28 2a01:111:f403:ca48::a 52.101.181.156 52.101.68.15 52.101.73.123 52.101.91.156	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-wa4pr05cu00104.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-maspr04cu00104.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 → 52.98.149.136
🔶 Autoconfig	104.21.39.48

🔷 AAAA Records (IPv6)#

2 records 35ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:2730	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:8f37	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 46ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.39.48,172.67.143.55 ech=AEX+DQBBywAgACAtuziSxssOTMYmbnbHakuPd3ZSRLNl1b9cECMwf3P7MQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:2730,2606:4700:3035::ac43:8f37

📝 TXT Records#

1 records 185ms

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

✉️ SPF#

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

checked 2026-10-08 18:48:48

www	104.21.39.48 172.67.143.55 2606:4700:3034::6815:2730 2606:4700:3035::ac43:8f37 (AS13335) (address records, no CNAME)
www vs bare domain	Same network stolborg.dk: 104.21.39.48 172.67.143.55 2606:4700:3034::6815:2730 2606:4700:3035::ac43:8f37 (AS13335) www.stolborg.dk: 104.21.39.48 172.67.143.55 2606:4700:3034::6815:2730 2606:4700:3035::ac43:8f37 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔎 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#

117ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

32ms

Field	Value
Serial	2416675341
Primary NS (MNAME)	ada.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-05 17:44:37

Field	Value
Registrar	DANDOMAIN A/S
Registered	2021-06-25
Expires	2031-06-30 (1714d)

📋 WHOIS#

⏱️ Lookup Timing#

38ms

34ms

27ms

AAAA

35ms

TXT

185ms

CAA

28ms

HTTPS

46ms

TLSA

939ms

SOA

32ms

MTA-STS

55ms

DNSSEC

117ms

SRV

79ms

Total

1819ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-05 17:25:59 shown	1819ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-26 16:29:25	895ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-28 07:16:51	1512ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-08 09:44:40	2300ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-25 13:51:41	1199ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 06:29:24	1435ms	2 NS 1 A 1 MX	🔒 Secure