trefor.dk

📜 Historical scan 2026-08-27 06:44:50 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

trefor.dk is a .dk domain served by 2 nameservers (ns.scannet2.dk, ns2.scannet2.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.114.94.2 is hosted by Optimizely AB (AS30811) in Sweden. Mail is handled by trefor-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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 63ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.scannet2.dk	185.25.141.9 2a02:2339:4006:10d::4171:4171	ns1.scannet.dk ns1.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.scannet2.dk	2a02:2339:1:112:0:5:1:b11 91.197.248.72	ns2.scannet.dk ns2.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 60ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.114.94.2	600s	—	AS30811	Optimizely AB	217.114.94.0/24	🇸🇪 Sweden	—

📧 MX Records#

1 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	trefor-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca09::20 2a01:111:f403:ca09::28 2a01:111:f403:ca09::7 52.101.103.140 52.101.73.1 52.101.73.126 52.101.73.28	mail-db4pr02cu00307.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am7pr05cu00204.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 69ms

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

📝 TXT Records#

12 records 147ms

TXT Record
_globalsign-domain-verification=x__rAzZRgSZSoyP2iO1O7ns2ELnnhtFEPZb6HmM1fP
adobe-idp-site-verification=097d5b5fccd361db4b829d81925093063cbd7d4aee4cc956bb75033b5fde6ab0
globalsign-domain-verification=x53sL4iIOSPbQ-FsrsU0oGo_sBUtvoZQiL6VHotf2D
globalsign-domain-verification=yhhflUI2wTcDUMcOfJUsnArStkajUCMCg1bxDtc1Ow
google-site-verification=ND3C3Fqm9wLuAUdT_tWpOTkIidSikNsvlzrHHE5TQhU
ibmid=78396d55-5203-4ab3-b2c9-e9ef2cae72cc
MS=ms94207521
MS=ms96040249
RjLWuuicARp3IcWaYCwLEQXOX4AhOA9WNr1YXoiMZ/4=
v=msv1 t=3AF0A91F-B87F-47C6-AC33-3F728737514B
v=spf1 ip4:87.104.232.2 ip4:52.178.47.84 ip4:168.245.42.89 include:spf.protection.outlook.com ~all
XXW7uwU09pJbMc+s73kUjAidGDXaex/vKz8ovZ+4vUpt3GQsJTP05pWCnx4/bC4S4DEDW9LJFaGwwsxm6QFgIA==

✉️ SPF#

Policy	Record (trefor.dk)
~all (soft fail)	v=spf1 ip4:87.104.232.2 ip4:52.178.47.84 ip4:168.245.42.89 include:spf.protection.outlook.com ~all

📨 DMARC#

Policy	Record (_dmarc.trefor.dk)
p=reject	v=DMARC1;p=reject;sp=reject;rua=mailto:nv2dtvfy@ag.eu.dmarcadvisor.com;ruf=mailto:nv2dtvfy@fr.eu.dmarcadvisor.com

📬 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 14:39:34

www CNAME	www.trefor.dk.dxcloud.episerver.net (all on episerver.net) → 104.18.32.175 172.64.155.81 2606:4700:4405::ac40:9b51 2a06:98c1:3108::6812:20af (AS13335)
www vs bare domain	Different networks trefor.dk: 217.114.94.2 (AS30811) www.trefor.dk: 104.18.32.175 172.64.155.81 2606:4700:4405::ac40:9b51 2a06:98c1:3108::6812:20af (AS13335) (all like this)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

3 found

Selector	CNAME	Key
s1	s1.domainkey.u8216481.wl232.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u8216481.wl232.sendgrid.net	RSA · ~1024 bit below 2048 bit
selector1	selector1-trefor-dk._domainkey.trefor.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: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

87ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026032701
Primary NS (MNAME)	ns.scannet2.dk
Responsible (RNAME)	hostmaster@scannet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

63ms

60ms

30ms

AAAA

35ms

TXT

147ms

CAA

52ms

HTTPS

35ms

TLSA

4039ms

SOA

0ms

MTA-STS

63ms

DNSSEC

87ms

SRV

69ms

Total

4741ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 14:39:34	4384ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-07 17:30:12	4621ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 06:44:50 shown	4741ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 10:33:13	7100ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 20:14:37	1195ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 15:28:46	4506ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 13:00:14	5499ms	2 NS 1 A 1 MX	🔒 Secure