detfri.dk

📜 Historical scan 2026-10-02 18:42:40 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

detfri.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 9 June 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 78.153.164.27 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by smtp.google.com, detfri-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#

4 records 30ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
78.153.164.27	600s	—	AS31027	GlobalConnect A/S	78.153.160.0/19	🇩🇰 Denmark	Copenhagen

📧 MX Records#

2 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	586s	smtp.google.com	172.253.152.26 2a00:1450:4010:c07::1b 2a00:1450:4010:c07::1b 2a00:1450:4010:c08::1a 2a00:1450:4010:c08::1a 2a00:1450:4010:c08::1b 2a00:1450:4010:c08::1b 2a00:1450:4010:c22::1b 64.233.162.27 64.233.164.27 64.233.165.26 64.233.165.27	yulpptr-in-f26.1e100.net lf-in-x1b.1e100.net lf-in-f27.1e100.net lg-in-f26.1e100.net lg-in-x1a.1e100.net lg-in-x1b.1e100.net lg-in-f27.1e100.net yulpptr-in-f27.1e100.net li-in-f27.1e100.net lf-in-f27.1e100.net lg-in-f26.1e100.net lg-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
50	586s	detfri-dk.mail.protection.outlook.com	2a01:111:f403:ca21::8 2a01:111:f403:ca21::e 2a01:111:f403:ca38::a 2a01:111:f403:ca48::e 52.101.103.36 52.101.68.15 52.101.68.39 52.101.91.156	mail-matpr04cu00100.inbound.protection.outlook.com mail-matpr04cu00306.inbound.protection.outlook.com mail-wa4pr05cu00102.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-miypr05cu00104.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db7pr03cu00607.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 → 52.98.149.152
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

7 records 115ms

TXT Record
apple-domain-verification=sf5SHGeOjVOQeNGl
google-site-verification=Lk3VmA6_V06TYc9oW0FNBEwE_mGZM9RTgcpxZI5hOsA
inst=Det frie Gymnasium
MS=ms58087403
uvmid=101171
v=spf1 include:mailgun.org include:_spf.google.com include:spf.mandrillapp.com include:spf.protection.outlook.com ip4:20.86.99.1 ~all
vpe=7b262909

✉️ SPF#

Policy	Record (detfri.dk)
~all (soft fail)	v=spf1 include:mailgun.org include:_spf.google.com include:spf.mandrillapp.com include:spf.protection.outlook.com ip4:20.86.99.1 ~all

📨 DMARC#

Policy	Record (_dmarc.detfri.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:2c6423c6@in.mailhardener.com; aspf=r

📬 MTA-STS#

326ms

Check	Result
Status	🔒 Enforce
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	enforce
Policy ID	20260903112855
max_age	1209600s
Policy MX	dk.mx1.mailanyone.net, dk.mx2.mx25.net, dk.mx3.mailanyone.net, dk.mx4.mx25.net, detfri-dk.mail.protection.outlook.com

📈 TLSRPT#

Status	Report address (rua)
✓ Enabled	mailto:2c6423c6@in.mailhardener.com

📜 CAA Records#

3 records 25ms

Flags	Tag	Value
0	issue	letsencrypt.org
0	issue	rapidssl.com
0	issue	sectigo.com

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-12 23:09:44

www	78.153.164.27 (AS31027) (address records, no CNAME)
www vs bare domain	Same network detfri.dk: 78.153.164.27 (AS31027) www.detfri.dk: 78.153.164.27 (AS31027)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
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
google	—	RSA · ~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: 8/10 · policy: ~all

warn 8 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

107ms

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

🏷️ SOA#

24ms

Field	Value
Serial	2026100206
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-02 19:20:50

Field	Value
Registrar	Simply.com A/S
Registered	1998-06-09
Expires	2027-06-30 (253d)

📋 WHOIS#

⏱️ Lookup Timing#

30ms

38ms

37ms

AAAA

46ms

TXT

115ms

CAA

25ms

HTTPS

35ms

TLSA

2420ms

SOA

24ms

MTA-STS

326ms

DNSSEC

107ms

SRV

49ms

Total

3725ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 23:09:44	3376ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-03 18:46:31	2548ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-02 18:42:40 shown	3725ms	4 NS 1 A 2 MX	🔒 Secure
2026-09-30 18:27:31	1550ms	4 NS 1 A 5 MX	🔒 Secure
2026-09-25 05:15:12	1400ms	4 NS 1 A 5 MX	🔒 Secure
2026-09-03 13:32:26	1692ms	4 NS 1 A 5 MX	🔒 Secure
2026-09-03 13:23:23	995ms	4 NS 1 A 5 MX	🔒 Secure
2026-08-28 11:11:18	1009ms	4 NS 1 A 4 MX	🔒 Secure
2026-08-26 08:50:32	1031ms	4 NS 1 A 4 MX	🔒 Secure
2026-08-12 09:35:22	1805ms	4 NS 1 A 4 MX	🔒 Secure
2026-07-04 14:08:32	1909ms	4 NS 1 A 4 MX	🔒 Secure
2026-07-03 12:13:03	2469ms	4 NS 1 A 4 MX	🔒 Secure
2026-06-27 16:20:41	1211ms	4 NS 1 A 4 MX	🔒 Secure
2026-06-26 01:27:19	1401ms	4 NS 1 A 4 MX	🔒 Secure
2026-06-24 07:45:25	963ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 23:00:59	856ms	4 NS 1 A 4 MX	🔒 Secure
2026-06-19 09:36:47	1091ms	4 NS 1 A 4 MX	🔒 Secure
2026-06-17 02:28:23	1063ms	4 NS 1 A 4 MX	🔒 Secure
2026-06-17 02:20:32	957ms	4 NS 1 A 4 MX	🔒 Secure