selfback.dk DNS records

🖥️ Nameservers4 records 166ms

Nameserver	IP addresses	PTR	ASN / ISP
ns-1380.awsdns-44.org	205.251.197.100 2600:9000:5305:6400::1	ns-1380.awsdns-44.org ns-1380.awsdns-44.org	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-1716.awsdns-22.co.uk	205.251.198.180 2600:9000:5306:b400::1	ns-1716.awsdns-22.co.uk ns-1716.awsdns-22.co.uk	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-439.awsdns-54.com	205.251.193.183 2600:9000:5301:b700::1	ns-439.awsdns-54.com ns-439.awsdns-54.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-960.awsdns-56.net	205.251.195.192 2600:9000:5303:c000::1	ns-960.awsdns-56.net ns-960.awsdns-56.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🌍 A Records1 records 161ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
34.240.172.92	—	ec2-34-240-172-92.eu-west-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	34.240.0.0/12	🇮🇪 Ireland	Dublin

📧 MX Records5 records 169ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	—	aspmx.l.google.com	142.251.1.27 2a00:1450:4010:c0f::1a 2a00:1450:4010:c0f::1a	lb-in-f27.1e100.net lt-in-f26.1e100.net lt-in-x1a.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	—	alt1.aspmx.l.google.com	192.178.211.27 2404:6800:4000:1025::1b	lcbomp-in-f27.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	—	alt2.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1a	tp-in-f26.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	—	alt3.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1a	tp-in-f26.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	—	alt4.aspmx.l.google.com	173.194.43.26 2607:f8b0:400e:c1e::1b	yudlsqd-in-f26.1e100.net yudlsqd-in-f27.1e100.net	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 Records7 records 268ms

TXT Record
apple-domain-verification=4loOCVSSTI2GPE0u
atlassian-domain-verification=ZRJd9MeTdFa2C7gGEi4XUjin53anJxik3JWs2aCA4pBno8tALUsKN/1PcEeGlyza
google-site-verification=ngWgcCkUvdkGsu0dViRl9jxSKVS6ufyHdAKc-rDdX_E
linkedin-site-verification=a9fd7d8f-4166-4ec6-aa24-0b5879cc80d5
proxy-ssl.webflow.com
stripe-verification=722B461C4D80795FE7E5F17C8B4D13F57ECCF2654A871EF8ADFA7697E3D9363A
v=spf1 include:_spf.google.com ~all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.selfback.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc@selfback.dk

📬 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

🔗 TLSA / DANE

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

🔐 DNSSEC284ms

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

🏷️ SOA167ms

Field	Value
Serial	1
Primary NS (MNAME)	ns-1716.awsdns-22.co.uk
Responsible (RNAME)	awsdns-hostmaster@amazon.com
Refresh	7200s
Retry	900s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

166ms

A

161ms

MX

169ms

AAAA

149ms

TXT

268ms

CAA

161ms

HTTPS

160ms

TLSA

228ms

SOA

167ms

MTA-STS

64ms

DNSSEC

284ms

SRV

0ms

Total

1768ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 04:54:41	3390ms	4 NS 1 A 5 MX	🔓 Insecure	View
2026-06-17 11:59:22	1768ms	4 NS 1 A 5 MX	🔓 Insecure	View