krebs.dk

📜 Historical scan 2026-06-30 10:31:29  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

krebs.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.199.108.153 is hosted by Fastly, Inc. (AS54113) in United States. Mail is handled by mx1.onlinemail.io, mx2.onlinemail.io. The zone is DNSSEC-signed and validates, has no 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#

2 records   30ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S

🌍 A Records#

4 records   31ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.199.108.153 43200s cdn-185-199-108-153.github.com AS54113 Fastly, Inc. 185.199.108.0/22 🇺🇸 United States —
185.199.109.153 43200s cdn-185-199-109-153.github.com AS54113 Fastly, Inc. 185.199.108.0/22 🇺🇸 United States —
185.199.110.153 43200s cdn-185-199-110-153.github.com AS54113 Fastly, Inc. 185.199.108.0/22 🇺🇸 United States —
185.199.111.153 43200s cdn-185-199-111-153.github.com AS54113 Fastly, Inc. 185.199.108.0/22 🇺🇸 United States —

📧 MX Records#

2 records   30ms
PriorityTTLMail ServerIP addressesPTRASN
10 3200s mx1.onlinemail.io 185.21.42.12 mx1.onlinemail.io AS48854 team.blue Denmark A/S
20 43200s mx2.onlinemail.io 46.36.208.16 mx2.onlinemail.io AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover-mf.onlinemail.io → 185.21.40.62
🔶 Autoconfigkrebs.dk → 185.199.110.153

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   177ms
TXT Record
v=spf1 a mx ip4:185.21.42.20 ~all

✉️ SPF#

PolicyRecord (krebs.dk)
~all (soft fail) v=spf1 a mx ip4:185.21.42.20 ~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 2026-10-19 14:16:09
www CNAMEgodthaab.github.io (all on github.io)
www vs bare domainSame network
WildcardYes: any name under the zone resolves
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.krebs.dk godthaab.github.io

🔗 TLSA / DANE#

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

🔐 DNSSEC#

59ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

35ms
FieldValue
Serial2026032501
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup
📋 WHOIS#

⏱️ Lookup Timing#

NS
30ms
A
31ms
MX
30ms
AAAA
30ms
TXT
177ms
CAA
30ms
HTTPS
29ms
TLSA
137ms
SOA
35ms
MTA-STS
240ms
DNSSEC
59ms
SRV
248ms
Total
851ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-19 14:16:09 1335ms 2 NS 4 A 2 MX 🔒 Secure
2026-10-02 22:37:14 4683ms 2 NS 4 A 2 MX 🔒 Secure
2026-09-23 20:20:53 881ms 2 NS 4 A 2 MX 🔒 Secure
2026-06-30 10:31:29 shown 851ms 2 NS 4 A 2 MX 🔒 Secure
2026-06-28 05:37:28 1381ms 2 NS 4 A 2 MX 🔒 Secure
2026-06-20 16:02:48 2744ms 2 NS 4 A 2 MX 🔒 Secure
2026-06-17 14:36:29 1679ms 2 NS 4 A 2 MX 🔒 Secure
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