semtail.dk DNS records

🖥️ Nameservers4 records 93ms

Nameserver	IP addresses	PTR	ASN / ISP
ns-1113.awsdns-11.org	205.251.196.89 2600:9000:5304:5900::1	ns-1113.awsdns-11.org ns-1113.awsdns-11.org	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-1963.awsdns-53.co.uk	205.251.199.171 2600:9000:5307:ab00::1	ns-1963.awsdns-53.co.uk ns-1963.awsdns-53.co.uk	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-260.awsdns-32.com	205.251.193.4 2600:9000:5301:400::1	ns-260.awsdns-32.com ns-260.awsdns-32.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-635.awsdns-15.net	205.251.194.123 2600:9000:5302:7b00::1	ns-635.awsdns-15.net ns-635.awsdns-15.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🌍 A Records3 records 140ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
34.242.146.173	—	ec2-34-242-146-173.eu-west-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	34.240.0.0/12	🇮🇪 Ireland	Dublin
52.208.181.45	—	ec2-52-208-181-45.eu-west-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	52.208.0.0/13	🇮🇪 Ireland	Dublin
52.213.99.25	—	ec2-52-213-99-25.eu-west-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	52.208.0.0/13	🇮🇪 Ireland	Dublin

📧 MX Records3 records 105ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mxz1.klarna.com	52.30.236.203	ec2-52-30-236-203.eu-west-1.compute.amazonaws.com	AS16509 Amazon.com, Inc.
10	—	mxz2.klarna.com	54.73.174.245	ec2-54-73-174-245.eu-west-1.compute.amazonaws.com	AS16509 Amazon.com, Inc.
10	—	mxz3.klarna.com	3.73.181.240	ec2-3-73-181-240.eu-central-1.compute.amazonaws.com	AS16509 Amazon.com, Inc.

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 265ms

TXT Record
v=spf1 include:klarna.com -all

✉️ SPF

Policy	Record (semtail.dk)
-all (hard fail)	v=spf1 include:klarna.com -all

📨 DMARC

Policy	Record (_dmarc.semtail.dk)
p=reject	v=DMARC1; p=reject; adkim=r; aspf=r; fo=1; rua=mailto:dmarc-reports@klarna.com

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records3 records 65ms

Flags	Tag	Value
0	iodef	mailto:dns-admin@klarna.com
0	issue	amazonaws.com
0	issuewild	amazonaws.com

🔗 TLSA / DANE

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

🔐 DNSSEC172ms

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

🏷️ SOA103ms

Field	Value
Serial	1
Primary NS (MNAME)	ns-1963.awsdns-53.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

93ms

A

140ms

MX

105ms

AAAA

77ms

TXT

265ms

CAA

65ms

HTTPS

86ms

TLSA

1925ms

SOA

103ms

MTA-STS

118ms

DNSSEC

172ms

SRV

0ms

Total

4712ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-24 19:20:20	4682ms	4 NS 3 A 3 MX	🔓 Insecure	View
2026-06-23 23:43:21	955ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 07:06:58	1489ms	4 NS 3 A 3 MX	🔓 Insecure	View
2026-06-20 23:11:05	1174ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 22:36:22	894ms	4 NS 3 A 3 MX	🔓 Insecure	View
2026-06-20 03:54:18	991ms	4 NS 3 A 3 MX	🔓 Insecure	View
2026-06-17 13:35:18	4712ms	4 NS 3 A 3 MX	🔓 Insecure	View