skyfi.dk

📜 Historical scan 2026-09-25 19:19:48  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

skyfi.dk is a .dk domain served by 2 nameservers (clark.ns.cloudflare.com, itzel.ns.cloudflare.com). It was registered on 30 March 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.79.243 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com and 2 more. The zone is DNSSEC-signed and validates, 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   38ms
NameserverIP addressesPTRASN / ISP
clark.ns.cloudflare.com 108.162.193.87
172.64.33.87
173.245.59.87
2606:4700:58::adf5:3b57
2803:f800:50::6ca2:c157
2a06:98c1:50::ac40:2157		 clark.ns.cloudflare.com
clark.ns.cloudflare.com
clark.ns.cloudflare.com
clark.ns.cloudflare.com
clark.ns.cloudflare.com
clark.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
itzel.ns.cloudflare.com 108.162.194.42
162.159.38.42
172.64.34.42
2606:4700:50::a29f:262a
2803:f800:50::6ca2:c22a
2a06:98c1:50::ac40:222a		 itzel.ns.cloudflare.com
itzel.ns.cloudflare.com
itzel.ns.cloudflare.com
itzel.ns.cloudflare.com
itzel.ns.cloudflare.com
itzel.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   45ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.79.243 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.172.7 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

4 records   30ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx1.pub.mailpod11-cph3.one.com 104.37.34.230 mx1.pub.mailpod11-cph3.one.com AS51468 One.com A/S
10 300s mx2.pub.mailpod11-cph3.one.com 104.37.34.231 mx2.pub.mailpod11-cph3.one.com AS51468 One.com A/S
10 300s mx3.pub.mailpod11-cph3.one.com 104.37.34.232 mx3.pub.mailpod11-cph3.one.com AS51468 One.com A/S
10 300s mx4.pub.mailpod11-cph3.one.com 104.37.34.233 mx4.pub.mailpod11-cph3.one.com AS51468 One.com A/S

🔷 AAAA Records (IPv6)#

2 records   40ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3030::6815:4ff3 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3034::ac43:ac07 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   35ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.79.243,172.67.172.7 ech=AEX+DQBBRwAgACBvrwcnkCG0ntVo4fE3le0rQsV9Zw0+6E+Ny5t5SROLNwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:4ff3,2606:4700:3034::ac43:ac07

📝 TXT Records#

📝
No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-07 20:48:03
www104.21.79.243 172.67.172.7 2606:4700:3030::6815:4ff3 2606:4700:3034::ac43:ac07 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.skyfi.dk Mo5GMZCUrqPMwCDB-NeTyUu_GnKMp1qJoDJ_xiaBc70
TXT _acme-challenge.skyfi.dk wHirFxIUAFw3vJqluvpvNM_kO1yoZBZerqtM45NJNVc

🔗 TLSA / DANE#

4 records   61ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 24F573980561755185B794745411B05D…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 24F573980561755185B794745411B05D…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 24F573980561755185B794745411B05D…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 24F573980561755185B794745411B05D…

🔐 DNSSEC#

108ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2415809452
Primary NS (MNAME)clark.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-07 22:29:03
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2020-03-30
Expires2036-03-31 (3452d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
38ms
A
45ms
MX
30ms
AAAA
40ms
TXT
175ms
CAA
45ms
HTTPS
35ms
TLSA
61ms
SOA
0ms
MTA-STS
67ms
DNSSEC
108ms
SRV
63ms
Total
794ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-07 20:48:02 3663ms 2 NS 2 A 4 MX 🔒 Secure
2026-09-30 17:17:58 610ms 2 NS 2 A 4 MX 🔒 Secure
2026-09-26 19:40:57 851ms 2 NS 2 A 4 MX 🔒 Secure
2026-09-25 19:19:48 shown 794ms 2 NS 2 A 4 MX 🔒 Secure
2026-09-23 18:38:34 2712ms 2 NS 2 A 4 MX 🔒 Secure
2026-09-14 05:04:10 2679ms 2 NS 2 A 4 MX 🔒 Secure
2026-08-29 11:29:04 632ms 2 NS 2 A 4 MX 🔒 Secure
2026-08-21 15:07:59 10035ms 2 NS 2 A 4 MX 🔒 Secure
2026-07-28 20:34:02 3984ms 2 NS 2 A 4 MX 🔒 Secure
2026-07-26 12:09:14 10879ms 2 NS 2 A 4 MX 🔒 Secure
2026-07-04 19:18:51 1525ms 2 NS 2 A 4 MX 🔒 Secure
2026-07-01 21:38:18 1539ms 2 NS 2 A 4 MX 🔒 Secure
2026-06-18 00:22:15 1025ms 2 NS 2 A 4 MX 🔒 Secure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone