u17.dk

📜 Historical scan 2026-06-18 03:58:07 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

u17.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 11 October 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 62.66.164.154 is hosted by Telenor A/S (AS9158) in Denmark. Mail is handled by mail.7a.dk. 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#

3 records 74ms

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

🌍 A Records#

1 records 83ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
62.66.164.154	—	062066164154.static.telenor.dk	AS9158	Telenor A/S	62.66.0.0/16	🇩🇰 Denmark	Brønshøj

📧 MX Records#

1 records 74ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	mail.7a.dk	62.66.164.154	062066164154.static.telenor.dk	AS9158 Telenor A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	62.66.164.154
🔶 Autoconfig	62.66.164.154

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 763ms

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

✉️ SPF#

Policy	Record (u17.dk)
-all (hard fail)	v=spf1 include:spf.simply.com -all

📨 DMARC#

Policy	Record (_dmarc.u17.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-08 15:00:08

www	188.228.54.119 (AS214875) (address records, no CNAME)
www vs bare domain	Same network u17.dk: 188.228.54.119 (AS214875) www.u17.dk: 188.228.54.119 (AS214875)
Wildcard	Yes: any name under the zone resolves
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

🔎 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#

211ms

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

🏷️ SOA#

70ms

Field	Value
Serial	2026061200
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 2026-10-03 11:17:54

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2024-10-11
Expires	2027-10-10 (358d)

📋 WHOIS#

⏱️ Lookup Timing#

74ms

83ms

74ms

AAAA

73ms

TXT

763ms

CAA

83ms

HTTPS

82ms

TLSA

150ms

SOA

70ms

MTA-STS

279ms

DNSSEC

211ms

SRV

275ms

Total

1226ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 10:37:43	1071ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-25 09:40:58	1007ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-03 16:15:32	1195ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-31 13:09:34	2354ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-30 07:09:40	1396ms	3 NS 0 A 1 MX	🔒 Secure
2026-08-29 04:56:43	2810ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-06 05:49:59	1213ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-22 14:54:47	2178ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-20 17:06:37	1118ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 03:58:07 shown	1226ms	3 NS 1 A 1 MX	🔒 Secure