stjo.dk

📜 Historical scan 2026-09-27 09:28:40 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

stjo.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 25 January 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by smtp.google.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#

3 records 38ms

Nameserver	IP addresses	PTR	ASN / 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#

🌍

No A records found

📧 MX Records#

1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	smtp.google.com	172.253.152.26 172.253.152.27 173.194.221.26 173.194.222.26 173.194.222.27 2a00:1450:4010:c0a::1a 2a00:1450:4010:c0a::1a 2a00:1450:4010:c0b::1a 2a00:1450:4010:c0b::1a 2a00:1450:4010:c0b::1b 2a00:1450:4010:c0b::1b 2a00:1450:4010:c22::1b	yulpptr-in-f26.1e100.net yulpptr-in-f27.1e100.net lm-in-f26.1e100.net lo-in-f26.1e100.net lo-in-f27.1e100.net lm-in-x1a.1e100.net lm-in-f26.1e100.net lo-in-x1a.1e100.net lo-in-f26.1e100.net lo-in-x1b.1e100.net lo-in-f27.1e100.net yulpptr-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 125ms

TXT Record
protonmail-verification=6ace00f8aea650ff7a5f200e22928bce6fa194ea
v=spf1 include:_spf.google.com include:_spf.protonmail.ch -all

✉️ SPF#

Policy	Record (stjo.dk)
-all (hard fail)	v=spf1 include:_spf.google.com include:_spf.protonmail.ch -all

📨 DMARC#

Policy	Record (_dmarc.stjo.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email

📬 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 03:50:59

www	NXDOMAIN
www vs bare domain	Neither resolves stjo.dk: no address www.stjo.dk: no address
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	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: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

70ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	2026090802
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-04 10:51:29

Field	Value
Registrar	Simply.com A/S
Registered	2013-01-25
Expires	2028-02-29 (498d)

📋 WHOIS#

⏱️ Lookup Timing#

38ms

32ms

42ms

AAAA

39ms

TXT

125ms

CAA

39ms

HTTPS

41ms

TLSA

43ms

SOA

0ms

MTA-STS

39ms

DNSSEC

70ms

SRV

52ms

Total

513ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 03:50:59	951ms	3 NS 0 A 1 MX	🔒 Secure
2026-10-04 10:24:22	430ms	3 NS 0 A 1 MX	🔒 Secure
2026-09-27 09:28:40 shown	513ms	3 NS 0 A 1 MX	🔒 Secure
2026-09-15 16:08:55	674ms	3 NS 0 A 1 MX	🔒 Secure
2026-06-29 17:05:21	603ms	3 NS 0 A 1 MX	🔒 Secure
2026-06-17 13:21:11	739ms	3 NS 0 A 1 MX	🔒 Secure