semtail.dk

📜 Historical scan 2026-06-20 22:36:22 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

semtail.dk is a .dk domain served by 4 nameservers (ns-1113.awsdns-11.org, ns-1963.awsdns-53.co.uk, ns-260.awsdns-32.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 3.248.15.66 is hosted by Amazon.com, Inc. (AS16509) in Ireland. Mail is handled by mxz1.klarna.com, mxz2.klarna.com and 1 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#

4 records 67ms

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 Records#

3 records 78ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
3.248.15.66	600s	ec2-3-248-15-66.eu-west-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	3.240.0.0/12	🇮🇪 Ireland	Dublin
34.253.163.220	600s	ec2-34-253-163-220.eu-west-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	34.240.0.0/12	🇮🇪 Ireland	Dublin
52.30.1.138	600s	ec2-52-30-1-138.eu-west-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	52.24.0.0/13	🇮🇪 Ireland	Dublin

📧 MX Records#

3 records 62ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	mxz1.klarna.com	52.30.236.203	ec2-52-30-236-203.eu-west-1.compute.amazonaws.com	AS16509 Amazon.com, Inc.
10	600s	mxz2.klarna.com	54.73.174.245	ec2-54-73-174-245.eu-west-1.compute.amazonaws.com	AS16509 Amazon.com, Inc.
10	600s	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 Records#

1 records 213ms

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 Records#

3 records 35ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-11 04:48:59

www	34.240.198.226 34.251.160.248 52.211.144.239 (AS16509) (address records, no CNAME)
www vs bare domain	Same network semtail.dk: 34.240.198.226 34.251.160.248 52.211.144.239 (AS16509) www.semtail.dk: 34.240.198.226 34.251.160.248 52.211.144.239 (AS16509)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 7/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

82ms

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

🏷️ SOA#

44ms

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 yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

67ms

78ms

62ms

AAAA

91ms

TXT

213ms

CAA

35ms

HTTPS

41ms

TLSA

87ms

SOA

44ms

MTA-STS

66ms

DNSSEC

82ms

SRV

118ms

Total

894ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-20 16:26:30	5142ms	4 NS 3 A 3 MX	🔓 Insecure
2026-06-24 19:20:20	4682ms	4 NS 3 A 3 MX	🔓 Insecure
2026-06-23 23:43:21	955ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 07:06:58	1489ms	4 NS 3 A 3 MX	🔓 Insecure
2026-06-20 23:11:05	1174ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 22:36:22 shown	894ms	4 NS 3 A 3 MX	🔓 Insecure
2026-06-20 03:54:18	991ms	4 NS 3 A 3 MX	🔓 Insecure
2026-06-17 13:35:18	4712ms	4 NS 3 A 3 MX	🔓 Insecure