swtech.dk

📜 Historical scan 2026-06-19 00:42:32 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

swtech.dk is a .dk domain served by 3 nameservers (x.ns.joker.com, y.ns.joker.com, z.ns.joker.com). It was registered on 31 January 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 159.25.16.135 is hosted by CSL Computer Service Langenbach GmbH (AS5517) in Germany. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, 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#

3 records 40ms

Nameserver	IP addresses	PTR	ASN / ISP
x.ns.joker.com	194.245.103.13	x.ns.joker.com	AS5517 CSL Computer Service Langenbach GmbH
y.ns.joker.com	23.88.49.189 2a01:4f8:c0c:165b::1	static.189.49.88.23.clients.your-server.de y.ns.joker.com	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
z.ns.joker.com	192.95.37.184 2607:5300:203:7e6d::2222	z.ns.joker.com z.ns.joker.com	AS16276 OVH SAS AS16276 OVH SAS

🌍 A Records#

1 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
159.25.16.135	3600s	—	AS5517	CSL Computer Service Langenbach GmbH	159.25.0.0/16	🇩🇪 Germany	—

📧 MX Records#

5 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	86400s	aspmx.l.google.com	2a00:1450:4010:c07::1a 2a00:1450:4010:c07::1a 64.233.163.27	lf-in-f26.1e100.net lf-in-x1a.1e100.net lj-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	86400s	alt1.aspmx.l.google.com	192.178.211.26 2404:6800:4000:1025::1a	lcbomp-in-f26.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	86400s	alt2.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1a	so-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
15	86400s	alt3.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	86400s	alt4.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.net tp-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 Records#

2 records 448ms

TXT Record
google-site-verification=wxD5LPwmm8-euhNssTsk6RnQPQN8kOH-mMYzzeAAagw
v=spf1 ip4:80.208.0.208/28 include:_netblocks1.swtech.dk include:_netblocks2.swtech.dk include:_spf.google.com -all

✉️ SPF#

Policy	Record (swtech.dk)
-all (hard fail)	v=spf1 ip4:80.208.0.208/28 include:_netblocks1.swtech.dk include:_netblocks2.swtech.dk include:_spf.google.com -all

📨 DMARC#

Policy	Record (_dmarc.swtech.dk)
p=quarantine	v=DMARC1; p=quarantine; adkim=s; aspf=s; fo=1; ruf=mailto:hostmaster@swtech.dk; ri=86400;

📬 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 2026-10-09 06:42:27

www	159.25.16.135 (AS5517) (address records, no CNAME)
www vs bare domain	Same network swtech.dk: 159.25.16.135 (AS5517) www.swtech.dk: 159.25.16.135 (AS5517)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 16-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
google	—	RSA · ~1024 bit below 2048 bit
k1	dkim.mcsv.net	RSA · ~1024 bit below 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: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

116ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2026061834
Primary NS (MNAME)	x.ns.joker.com
Responsible (RNAME)	hostmaster@joker.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-05 14:31:27

Field	Value
Registrar	Key-Systems GmbH
Registered	2006-01-31
Expires	2028-01-31 (471d)

📋 WHOIS#

⏱️ Lookup Timing#

40ms

41ms

39ms

AAAA

40ms

TXT

448ms

CAA

57ms

HTTPS

54ms

TLSA

239ms

SOA

0ms

MTA-STS

40ms

DNSSEC

116ms

SRV

168ms

Total

1510ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 22:55:36	1170ms	3 NS 1 A 5 MX	🔒 Secure
2026-09-24 21:47:55	9681ms	3 NS 1 A 5 MX	🔒 Secure
2026-08-06 16:30:04	4603ms	3 NS 1 A 5 MX	🔒 Secure
2026-07-02 18:20:25	22779ms	3 NS 1 A 5 MX	🔒 Secure
2026-07-02 13:40:06	5216ms	3 NS 1 A 5 MX	🔒 Secure
2026-06-26 18:02:40	1772ms	3 NS 1 A 5 MX	🔒 Secure
2026-06-20 19:06:28	1430ms	3 NS 1 A 5 MX	🔒 Secure
2026-06-19 00:42:32 shown	1510ms	3 NS 1 A 5 MX	🔒 Secure
2026-06-17 12:03:26	885ms	2 NS 1 A 5 MX	🔓 Insecure