jfclabs.dk

Records from scan: 2026-10-10 19:00:31  ·  937ms total  ·  last checked 2026-10-18 01:06 (unchanged)
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jfclabs.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 18 July 2026 (WHOIS) and first appeared in the .dk zone on 20 July 2026. Its website address 185.199.108.153 is hosted by Fastly, Inc. (AS54113) in United States. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records   27ms
NameserverIP addressesPTRASN / 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#

4 records   31ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.199.108.153 3600s cdn-185-199-108-153.github.com AS54113 Fastly, Inc. 185.199.108.0/22 🇺🇸 United States —
185.199.109.153 3600s cdn-185-199-109-153.github.com AS54113 Fastly, Inc. 185.199.108.0/22 🇺🇸 United States —
185.199.110.153 3600s cdn-185-199-110-153.github.com AS54113 Fastly, Inc. 185.199.108.0/22 🇺🇸 United States —
185.199.111.153 3600s cdn-185-199-111-153.github.com AS54113 Fastly, Inc. 185.199.108.0/22 🇺🇸 United States —

📧 MX Records#

📧
No MX records found

🔷 AAAA Records (IPv6)#

4 records   23ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:50c0:8000::153 3600s — AS54113 Fastly, Inc. 2606:50c0:8000:0:0:0:0:0/46 🇺🇸 United States —
2606:50c0:8001::153 3600s — AS54113 Fastly, Inc. 2606:50c0:8000:0:0:0:0:0/46 🇺🇸 United States —
2606:50c0:8002::153 3600s — AS54113 Fastly, Inc. 2606:50c0:8000:0:0:0:0:0/46 🇺🇸 United States —
2606:50c0:8003::153 3600s — AS54113 Fastly, Inc. 2606:50c0:8000:0:0:0:0:0/46 🇺🇸 United States —

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝
No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

PolicyRecord (_dmarc.jfclabs.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#

checked 2026-10-10 19:00:31
www CNAMEjafc-bando.github.io (all on github.io)
www vs bare domainSame network
WildcardNo
Denial of existenceNSEC zone can be walked (all names enumerable)
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

110ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

34ms
FieldValue
Serial2026101003
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-04 01:05:44
FieldValue
RegistrarSimply.com A/S
Registered2026-07-18
Expires2027-07-17 (271d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
27ms
A
31ms
MX
25ms
AAAA
23ms
TXT
105ms
CAA
22ms
HTTPS
36ms
TLSA
324ms
SOA
34ms
MTA-STS
48ms
DNSSEC
110ms
SRV
37ms
Total
937ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-10 19:00:31 shown 937ms 3 NS 4 A 0 MX 🔒 Secure
2026-10-04 00:42:52 1788ms 3 NS 4 A 0 MX 🔒 Secure
2026-09-26 23:37:48 669ms 3 NS 4 A 0 MX 🔒 Secure
2026-09-12 04:20:52 669ms 3 NS 4 A 0 MX 🔒 Secure
2026-09-09 20:10:25 2358ms 3 NS 4 A 0 MX 🔒 Secure
2026-08-27 18:06:14 1326ms 3 NS 4 A 0 MX 🔒 Secure
2026-08-25 05:59:41 598ms 3 NS 4 A 0 MX 🔒 Secure
2026-07-20 08:36:43 714ms 3 NS 4 A 0 MX 🔒 Secure
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