sif-skydning.dk

📜 Historical scan 2026-06-18 06:42:49  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sif-skydning.dk is a .dk domain served by 2 nameservers (eoin.ns.cloudflare.com, lorna.ns.cloudflare.com). It was registered on 15 August 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.5.20 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by sifskydning-dk0i.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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   43ms

🌍 A Records#

2 records   29ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.5.20 — — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.132.192 — — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   29ms

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 52.98.243.40

🔷 AAAA Records (IPv6)#

2 records   43ms

🔐 HTTPS Records#

1 records   29ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.5.20,172.67.132.192 ech=AEX+DQBBvgAgACBJni85WGHe97uPSIHOOQhUxAzLI4MySMevNjtzivHyJwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:514,2606:4700:3034::ac43:84c0

🔌 SRV Records#

1 records   190ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com

📝 TXT Records#

2 records   581ms
TXT Record
MS=ms94491048
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

PolicyRecord (sif-skydning.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#

latest probe, not this scan · checked 2026-10-11 06:48:48
www104.21.5.20 172.67.132.192 2606:4700:3030::ac43:84c0 2606:4700:3034::6815:514 (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

🔎 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#

103ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

29ms
FieldValue
Serial2405787454
Primary NS (MNAME)eoin.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-07 11:25:18
FieldValue
RegistrarDANDOMAIN A/S
Registered2024-08-15
Expires2027-08-14 (299d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
43ms
A
29ms
MX
29ms
AAAA
43ms
TXT
581ms
CAA
40ms
HTTPS
29ms
TLSA
291ms
SOA
29ms
MTA-STS
48ms
DNSSEC
103ms
SRV
190ms
Total
1552ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-30 22:54:17 1155ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-28 03:46:56 862ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-27 03:31:42 994ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-26 03:20:24 984ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-25 03:09:00 1202ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-24 02:54:09 817ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-03 15:06:57 1157ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-11 11:25:12 3880ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-30 13:56:58 25307ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-27 23:03:37 10876ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-16 20:24:51 17872ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-24 18:03:15 2364ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-18 06:42:49 shown 1552ms 2 NS 2 A 1 MX 🔓 Insecure
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