krebs.dk

Records from scan: 2026-10-19 14:16:09  ·  1335ms total  ·  last checked 2026-10-20 15:58 (unchanged)
⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   134ms
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   136ms
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   84ms
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 → 185.199.111.153

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   583ms
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#

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#

191ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

90ms
FieldValue
Serial2026101901
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
134ms
A
136ms
MX
84ms
AAAA
161ms
TXT
583ms
CAA
142ms
HTTPS
127ms
TLSA
189ms
SOA
90ms
MTA-STS
204ms
DNSSEC
191ms
SRV
298ms
Total
1335ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-19 14:16:09 shown 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 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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