reftek.dk

Records from scan: 2026-10-19 03:47:53 · 1560ms total · last checked 2026-10-20 04:59 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

reftek.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 25 September 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.47.247.18 is hosted by One.com A/S (AS51468). Mail is handled by reftek-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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 295ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 131ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.47.247.18	3600s	one.com.webforward.g1i.one	AS51468	One.com A/S	195.47.247.0/24	—	—

📧 MX Records#

1 records 144ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	1800s	reftek-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca21::e 2a01:111:f403:ca38::a 2a01:111:f403:ca48::c 52.101.103.140 52.101.181.153 52.101.68.8 52.101.73.120	mail-du0pr03cu00102.inbound.protection.outlook.com mail-matpr04cu00306.inbound.protection.outlook.com mail-wa4pr05cu00102.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am7pr02cu00300.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 → 52.98.213.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 256ms

TXT Record
MS=ms37226692
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (reftek.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 2026-10-19 03:47:53

www	195.47.247.18 (AS51468) (address records, no CNAME)
www vs bare domain	Same network reftek.dk: 195.47.247.18 (AS51468) www.reftek.dk: 195.47.247.18 (AS51468)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 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#

179ms

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

🏷️ SOA#

97ms

Field	Value
Serial	2026101805
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-19 04:02:52

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2019-09-25
Expires	2027-09-30 (344d)

🔗 Same registrant#

3 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
aisdk.dk	Punktum dk A/S (direct)
oliehandel.dk	ONE.COM A/S
stepfilters.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

295ms

131ms

144ms

AAAA

236ms

TXT

256ms

CAA

124ms

HTTPS

179ms

TLSA

418ms

SOA

97ms

MTA-STS

150ms

DNSSEC

179ms

SRV

276ms

Total

1560ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-19 03:47:53 shown	1560ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-03 06:13:49	1141ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-10 21:33:09	912ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-08 01:01:30	651ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-20 10:30:15	8281ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-07 10:08:10	1112ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-27 16:43:27	1100ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 06:47:23	10918ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 12:04:49	1171ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-23 11:58:57	1749ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 05:20:23	2634ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 11:37:21	1498ms	2 NS 1 A 1 MX	🔒 Secure