postera.dk

📜 Historical scan 2026-06-26 01:14:56 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

postera.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 25 August 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 23.227.38.65 is hosted by Cloudflare, Inc. (AS13335) in Canada. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, 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 224ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 254ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.227.38.65	3594s	myshopify.com	AS13335	Cloudflare, Inc.	23.227.38.0/23	🇨🇦 Canada	Ottawa

📧 MX Records#

5 records 207ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	142.251.127.27 2a00:1450:4001:c21::1a	lcfrai-in-f27.1e100.net lcfrai-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	172.253.152.27 2a00:1450:4010:c22::1b	yulpptr-in-f27.1e100.net yulpptr-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	192.178.211.26 2404:6800:4000:1025::1b	lcbomp-in-f26.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover-mf.dandomain.dk → 212.237.249.98
🔶 Autoconfig	autoconfig-mf.dandomain.dk → 212.237.249.54

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 424ms

TXT Record
google-site-verification=yi3rBetjgBQ2zayt2m3FTgujB2d4VmmFFNSlgaKmjJ0
v=spf1 include:_spf.google.com ~all
v=spf1 include:legalmails.com ~all

✉️ SPF#

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (postera.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all
~all (soft fail)	v=spf1 include:legalmails.com ~all

📨 DMARC#

Policy	Record (_dmarc.postera.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:postmaster@example.com, mailto:dmarc@example.com; pct=100; adkim=s; aspf=s

📬 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 2026-10-10 14:20:21

www CNAME	shops.myshopify.com (all on myshopify.com) → 23.227.38.74 2620:127:f00f:e:: (AS13335)
www vs bare domain	Same network postera.dk: 23.227.38.65 (AS13335) www.postera.dk: 23.227.38.74 2620:127:f00f:e:: (AS13335)
Wildcard	No

✍️ 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: 1/10 · policy: ~all

error 2 SPF records: receivers must treat that as a permanent error (RFC 7208 §4.5)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

306ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

232ms

Field	Value
Serial	2025090101
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-08 19:44:37

Field	Value
Registrar	DANDOMAIN A/S
Registered	2020-08-25
Expires	2027-08-31 (310d)

📋 WHOIS#

⏱️ Lookup Timing#

224ms

254ms

207ms

AAAA

217ms

TXT

424ms

CAA

211ms

HTTPS

244ms

TLSA

269ms

SOA

232ms

MTA-STS

242ms

DNSSEC

306ms

SRV

248ms

Total

1949ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-28 06:07:38	606ms	2 NS 1 A 5 MX	🔓 Insecure
2026-06-30 01:28:03	834ms	2 NS 1 A 5 MX	🔓 Insecure
2026-06-26 01:35:01	705ms	2 NS 1 A 5 MX	🔓 Insecure
2026-06-26 01:14:56 shown	1949ms	2 NS 1 A 5 MX	🔓 Insecure
2026-06-17 11:38:06	1163ms	2 NS 1 A 5 MX	🔓 Insecure