teisner.dk DNS records

🖥️ Nameservers3 records 402ms

Nameserver	IP addresses	PTR	ASN / ISP
dns0.kyber.dk	2a01:4f9:c01f:b5::1 65.109.245.100	kyedns.com static.100.245.109.65.clients.your-server.de	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
dns1.kyber.dk	93.163.42.22	93-163-42-22-static.dk.customer.tdc.net	AS3292 TDC Holding A/S
dns2.kyber.dk	178.62.87.87 2a03:b0c0:1:d0::311:1001	dns2.kyber.dk dns2.kyber.dk	AS14061 DigitalOcean, LLC AS14061 DigitalOcean, LLC

🌍 A Records1 records 345ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.212.73	86400s	—	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records7 records 340ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	86400s	aspmx.l.google.com	142.251.127.26 2a00:1450:4001:c21::1a	lcfrai-in-f26.1e100.net lcfrai-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	86400s	alt1.aspmx.l.google.com	142.250.147.26 2a00:1450:4025:c01::1a	rd-in-f26.1e100.net rd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	86400s	alt2.aspmx.l.google.com	172.253.152.27 2a00:1450:4010:c22::1a	yulpptr-in-f27.1e100.net yulpptr-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	86400s	aspmx2.googlemail.com	142.250.147.26 2a00:1450:4025:c01::1b	rd-in-f26.1e100.net rd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	86400s	aspmx3.googlemail.com	172.253.152.27 2a00:1450:4010:c22::1a	yulpptr-in-f27.1e100.net yulpptr-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	86400s	aspmx4.googlemail.com	192.178.211.26 2404:6800:4000:1025::1b	lcbomp-in-f26.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	86400s	aspmx5.googlemail.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	teisner.dk → 46.30.212.73
🔶 Autoconfig	teisner.dk → 46.30.212.73

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 974ms

TXT Record
v=spf1 include:_spf.google.com ~all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.teisner.dk)
p=quarantine	v=DMARC1; p= quarantine; rua=mailto:morten+dmarc@teisner.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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.teisner.dk	teisner.dk

🔗 TLSA / DANE

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

🔐 DNSSEC582ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082001
Primary NS (MNAME)	dns0.kyber.dk
Responsible (RNAME)	tech@peytz.dk
Refresh	10800s
Retry	1800s
Expire	604800s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

402ms

A

345ms

MX

340ms

AAAA

314ms

TXT

974ms

CAA

366ms

HTTPS

333ms

TLSA

779ms

SOA

0ms

MTA-STS

474ms

DNSSEC

582ms

SRV

467ms

Total

12158ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-02 01:48:42	5157ms	3 NS 1 A 7 MX	🔓 Insecure	View
2026-08-28 07:27:10	1624ms	3 NS 1 A 7 MX	🔓 Insecure	View
2026-08-27 11:05:43	1060ms	3 NS 1 A 7 MX	🔓 Insecure	View
2026-08-21 02:59:17	12158ms	3 NS 1 A 7 MX	🔓 Insecure	View
2026-08-13 06:03:45	1965ms	3 NS 1 A 7 MX	🔓 Insecure	View
2026-08-06 11:27:40	1928ms	3 NS 1 A 7 MX	🔓 Insecure	View
2026-07-23 18:58:31	9448ms	3 NS 1 A 7 MX	🔓 Insecure	View
2026-07-16 18:12:42	3611ms	3 NS 1 A 7 MX	🔓 Insecure	View
2026-06-30 20:49:25	1162ms	3 NS 1 A 7 MX	🔓 Insecure	View
2026-06-24 17:46:33	3229ms	3 NS 1 A 7 MX	🔓 Insecure	View
2026-06-23 00:58:55	1174ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 18:34:40	5603ms	3 NS 1 A 7 MX	🔓 Insecure	View