jbkristensen.dk

📜 Historical scan 2026-06-20 17:24:31 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jbkristensen.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 100.24.208.97 is hosted by Amazon.com, Inc. (AS14618) in United States. Mail is handled by jbkristensen-dk.mail.protection.outlook.com. 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#

2 records 107ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

2 records 95ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
100.24.208.97	3600s	staticip2.multiscreensite.com	AS14618	Amazon.com, Inc.	100.24.0.0/13	🇺🇸 United States	Ashburn
35.172.94.1	3600s	staticip.multiscreensite.com	AS14618	Amazon.com, Inc.	35.168.0.0/13	🇺🇸 United States	Ashburn

📧 MX Records#

1 records 92ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	jbkristensen-dk.mail.protection.outlook.com	2a01:111:f403:ca09::1 2a01:111:f403:ca09::b 2a01:111:f403:ca09::d 2a01:111:f403:ca09::f 52.101.68.15 52.101.68.25 52.101.68.27 52.101.73.24	mail-as9pr07cu00301.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.8

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 406ms

TXT Record
google-site-verification=mBC8dsKB5IG0gSAsuyfYhpEtV4CISNAaMTxIJlpVsKM
MS=ms18377840
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (jbkristensen.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.jbkristensen.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=75; rua=mailto:admin@jbkristensen.onmicrosoft.com; ruf=mailto:admin@jbkristensen.onmicrosoft.com

📬 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 00:23:11

www CNAME	s.multiscreensite.com (all on multiscreensite.com) → 13.248.175.166 76.223.58.8 (AS16509)
www vs bare domain	Different networks jbkristensen.dk: 100.24.208.97 35.172.94.1 (AS14618) www.jbkristensen.dk: 13.248.175.166 76.223.58.8 (AS16509) (all like this)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-jbkristensen-dk._domainkey.jbkristensen.q-v1.dkim.mail.microsoft	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 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#

259ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

86ms

Field	Value
Serial	2025091701
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

107ms

95ms

92ms

AAAA

94ms

TXT

406ms

CAA

104ms

HTTPS

87ms

TLSA

383ms

SOA

86ms

MTA-STS

112ms

DNSSEC

259ms

SRV

163ms

Total

1510ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 06:09:04	1013ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-28 02:54:44	1719ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-25 20:04:22	1042ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-23 14:42:59	1184ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 17:24:31 shown	1510ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-17 12:05:00	1722ms	2 NS 2 A 1 MX	🔒 Secure