refraktor.dk

📜 Historical scan 2026-08-16 17:16:02 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

refraktor.dk is a .dk domain served by 2 nameservers (kai.ns.cloudflare.com, lady.ns.cloudflare.com). It was registered on 21 March 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.10.52 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by refraktor-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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 253ms

Nameserver	IP addresses	PTR	ASN / ISP
kai.ns.cloudflare.com	108.162.193.188 172.64.33.188 173.245.59.188 2606:4700:58::adf5:3bbc 2803:f800:50::6ca2:c1bc 2a06:98c1:50::ac40:21bc	kai.ns.cloudflare.com kai.ns.cloudflare.com kai.ns.cloudflare.com kai.ns.cloudflare.com kai.ns.cloudflare.com kai.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
lady.ns.cloudflare.com	108.162.192.127 172.64.32.127 173.245.58.127 2606:4700:50::adf5:3a7f 2803:f800:50::6ca2:c07f 2a06:98c1:50::ac40:207f	lady.ns.cloudflare.com lady.ns.cloudflare.com lady.ns.cloudflare.com lady.ns.cloudflare.com lady.ns.cloudflare.com lady.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 226ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.10.52	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.131.60	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 279ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	refraktor-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::c 2a01:111:f403:ca04::d 2a01:111:f403:ca09::b 52.101.68.10 52.101.68.18 52.101.68.3 52.101.73.6	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am6pr04cu00306.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 → 40.104.116.40
🔶 Autoconfig	104.21.10.52

🔷 AAAA Records (IPv6)#

2 records 277ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:a34	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:833c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 216ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.10.52,172.67.131.60 ech=AEX+DQBBLQAgACAHVxwA/sJ/ZvYhbMvUPFPCR7J67bfGjmmo5xFk21aNJQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:a34,2606:4700:3035::ac43:833c

🔌 SRV Records#

1 records 330ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 834ms

TXT Record
MS=ms67014193
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (refraktor.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#

latest probe, not this scan · checked 2026-10-14 01:54:30

www	104.21.10.52 172.67.131.60 2606:4700:3033::6815:a34 2606:4700:3035::ac43:833c (AS13335) (address records, no CNAME)
www vs bare domain	Same network refraktor.dk: 104.21.10.52 172.67.131.60 2606:4700:3033::6815:a34 2606:4700:3035::ac43:833c (AS13335) www.refraktor.dk: 104.21.10.52 172.67.131.60 2606:4700:3033::6815:a34 2606:4700:3035::ac43:833c (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#

360ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2412254516
Primary NS (MNAME)	kai.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-14 02:06:15

Field	Value
Registrar	ONE.COM A/S
Registered	2016-03-21
Expires	2027-03-31 (163d)

📋 WHOIS#

⏱️ Lookup Timing#

253ms

226ms

279ms

AAAA

277ms

TXT

834ms

CAA

273ms

HTTPS

216ms

TLSA

1025ms

SOA

0ms

MTA-STS

333ms

DNSSEC

360ms

SRV

330ms

Total

4368ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 01:54:30	4266ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-24 22:15:28	1127ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-06 13:48:37	1502ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-28 21:02:04	805ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 19:34:02	739ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-26 16:34:26	3025ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-16 17:16:02 shown	4368ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-03 11:32:50	1453ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-28 02:28:34	1141ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-23 13:23:41	957ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 20:25:02	6545ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 21:48:07	1025ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 00:00:24	1231ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 22:49:26	1253ms	2 NS 2 A 1 MX	🔓 Insecure