bykalstrup.dk

📜 Historical scan 2026-09-01 15:32:39  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bykalstrup.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 22 March 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.143.8.101 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1.webexchange.nu, mx2.webexchange.nu. The zone is DNSSEC-signed and validates, publishes a 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#

4 records   42ms

🌍 A Records#

1 records   48ms

📧 MX Records#

2 records   45ms

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records   140ms
TXT Record
google-site-verification=GSNqN7BmMAK-yE9VLa1u7Kk5NmUJ1g_tqEaKu8_nONQ
klaviyo-site-verification=Rs3DnX
v=spf1 include:emsd1.com include:spf.simply.com include:spf.scannet.dk include:send.heysender.com include:spf.dandomain.dk include:spf.shopfactory.io ip4:77.68.145.251 -all

✉️ SPF#

📨 DMARC#

PolicyRecord (_dmarc.bykalstrup.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#

latest probe, not this scan · checked 2026-10-13 12:01:56
www CNAMEbykalstrup.dk (all on bykalstrup.dk)
www vs bare domainSame network
bykalstrup.dk: 94.143.8.101 (AS48854)
www.bykalstrup.dk: 94.143.8.101 (AS48854)
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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 10/10 · policy: -all

  • warn 10 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

92ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2026041601
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-24 02:05:26
FieldValue
RegistrarSimply.com A/S
Registered2012-03-22
Expires2027-03-31 (157d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

DomainRegistrar
blossom.dkDANDOMAIN A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
42ms
A
48ms
MX
45ms
AAAA
41ms
TXT
140ms
CAA
41ms
HTTPS
54ms
TLSA
65ms
SOA
0ms
MTA-STS
55ms
DNSSEC
92ms
SRV
59ms
Total
709ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-13 12:01:56 2071ms 4 NS 1 A 2 MX 🔒 Secure
2026-10-02 23:28:57 605ms 4 NS 1 A 2 MX 🔒 Secure
2026-09-18 11:59:09 803ms 4 NS 1 A 2 MX 🔒 Secure
2026-09-01 15:32:39 shown 709ms 4 NS 1 A 2 MX 🔒 Secure
2026-08-27 17:55:49 716ms 4 NS 1 A 2 MX 🔒 Secure
2026-06-20 01:44:37 2930ms 4 NS 1 A 2 MX 🔒 Secure
2026-06-16 18:23:03 786ms 4 NS 1 A 2 MX 🔒 Secure
2026-06-16 18:20:19 3091ms 4 NS 1 A 2 MX 🔒 Secure
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