postbuddy.dk

📜 Historical scan 2026-06-20 21:40:20 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

postbuddy.dk is a .dk domain served by 4 nameservers (ns-1378.awsdns-44.org, ns-144.awsdns-18.com, ns-1672.awsdns-17.co.uk and 1 more). It was registered on 3 February 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 3.174.18.116 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by smtp.google.com. 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#

4 records 29ms

Nameserver	IP addresses	PTR	ASN / ISP
ns-1378.awsdns-44.org	205.251.197.98 2600:9000:5305:6200::1	ns-1378.awsdns-44.org ns-1378.awsdns-44.org	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-144.awsdns-18.com	205.251.192.144 2600:9000:5300:9000::1	ns-144.awsdns-18.com ns-144.awsdns-18.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-1672.awsdns-17.co.uk	205.251.198.136 2600:9000:5306:8800::1	ns-1672.awsdns-17.co.uk ns-1672.awsdns-17.co.uk	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-705.awsdns-24.net	205.251.194.193 2600:9000:5302:c100::1	ns-705.awsdns-24.net ns-705.awsdns-24.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🌍 A Records#

4 records 51ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
3.174.18.116	600s	server-3-174-18-116.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	—
3.174.18.52	600s	server-3-174-18-52.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	—
3.174.18.75	600s	server-3-174-18-75.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	—
3.174.18.80	600s	server-3-174-18-80.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	—

📧 MX Records#

1 records 94ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	smtp.google.com	142.250.147.26 142.250.147.27 142.251.9.26 142.251.9.27 2a00:1450:4010:c0e::1b 2a00:1450:4010:c0e::1b 2a00:1450:4010:c20::1a 2a00:1450:4010:c22::1a 2a00:1450:4010:c22::1b	rd-in-f26.1e100.net rd-in-f27.1e100.net rc-in-f26.1e100.net rc-in-f27.1e100.net lu-in-f27.1e100.net lu-in-x1b.1e100.net yulppbn-in-f26.1e100.net yulpptr-in-f26.1e100.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

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 105ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records#

2 records 307ms

TXT Record
google-site-verification=ltyFfkBn9Ix2wdiV5lhk0UnjQqFkKHTbSmF6W_oUoVY
v=spf1 include:_spf.google.com ~all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.postbuddy.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.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 2026-10-16 03:23:41

www	35.71.142.77 52.223.52.2 (AS16509) (address records, no CNAME)
www vs bare domain	Same network postbuddy.dk: 3.174.18.116 3.174.18.52 3.174.18.75 3.174.18.80 (AS16509) www.postbuddy.dk: 35.71.142.77 52.223.52.2 (AS16509)
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

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

123ms

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

🏷️ SOA#

51ms

Field	Value
Serial	1
Primary NS (MNAME)	ns-144.awsdns-18.com
Responsible (RNAME)	awsdns-hostmaster@amazon.com
Refresh	7200s
Retry	900s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-05 15:24:33

Field	Value
Registrar	Simply.com A/S
Registered	2024-02-03
Expires	2027-02-02 (108d)

📋 WHOIS#

⏱️ Lookup Timing#

29ms

51ms

94ms

AAAA

44ms

TXT

307ms

CAA

86ms

HTTPS

37ms

TLSA

100ms

SOA

51ms

MTA-STS

39ms

DNSSEC

123ms

SRV

105ms

Total

1001ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-23 18:10:58	3212ms	4 NS 4 A 1 MX	🔓 Insecure
2026-09-20 04:50:41	3230ms	4 NS 4 A 1 MX	🔓 Insecure
2026-06-29 02:47:56	944ms	4 NS 4 A 1 MX	🔓 Insecure
2026-06-20 21:40:20 shown	1001ms	4 NS 4 A 1 MX	🔓 Insecure
2026-06-20 02:19:48	3449ms	4 NS 4 A 1 MX	🔓 Insecure
2026-06-18 03:35:06	1482ms	4 NS 4 A 1 MX	🔓 Insecure