shell-ostbirk.dk

📜 Historical scan 2026-08-07 11:44:33 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

shell-ostbirk.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 4 September 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 54.74.207.155 is hosted by Amazon.com, Inc. (AS16509) in Ireland. 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 41ms

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#

1 records 8079ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
54.74.207.155	3600s	ec2-54-74-207-155.eu-west-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	54.64.0.0/12	🇮🇪 Ireland	Dublin

📧 MX Records#

2 records 8067ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3592s	mx1.onlinemail.io	185.21.42.12	mx1.onlinemail.io	AS48854 team.blue Denmark A/S
20	3592s	mx2.onlinemail.io	46.36.208.16	mx2.onlinemail.io	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover-mf.onlinemail.io → 185.21.40.62
🔶 Autoconfig	autoconfig-mf.onlinemail.io → 185.21.40.62

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 8246ms

TXT Record
v=spf1 include:spf.onlinemail.io ?all

✉️ SPF#

Policy	Record (shell-ostbirk.dk)
?all (neutral)	v=spf1 include:spf.onlinemail.io ?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 2026-10-13 08:47:40

www	54.74.207.155 (AS16509) (address records, no CNAME)
www vs bare domain	Same network shell-ostbirk.dk: 54.74.207.155 (AS16509) www.shell-ostbirk.dk: 54.74.207.155 (AS16509)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ?all

warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

8092ms

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

🏷️ SOA#

8076ms

Field	Value
Serial	2026010807
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-09 01:41:18

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2017-09-04
Expires	2027-09-30 (344d)

📋 WHOIS#

⏱️ Lookup Timing#

41ms

8079ms

8067ms

AAAA

46ms

TXT

8246ms

CAA

8075ms

HTTPS

8079ms

TLSA

86ms

SOA

8076ms

MTA-STS

154ms

DNSSEC

8092ms

SRV

8099ms

Total

24897ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 18:19:32	357ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-24 00:09:40	616ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-16 22:19:59	487ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-04 19:18:41	854ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-07 11:44:33 shown	24897ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-28 22:29:43	524ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-27 11:50:04	639ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-17 13:03:36	2157ms	2 NS 1 A 2 MX	🔒 Secure