guentner.dk DNS records

🖥️ Nameservers3 records 82ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.udag.de	2001:8d8:fe:53:217:160:80:253 217.160.80.253	ns.udag.de ns.udag.de	AS8560 IONOS SE AS8560 IONOS SE
ns.udag.net	185.132.33.253 2607:f1c0:fe:53:185:132:33:253	ns.udag.net ns.udag.net	AS15418 Fasthosts Internet Limited AS15418 Fasthosts Internet Limited
ns.udag.org	185.132.34.253 2607:f1c0:fe:53:185:132:34:253	ns.udag.org ns.udag.org	AS15418 Fasthosts Internet Limited AS15418 Fasthosts Internet Limited

🌍 A Records1 records 73ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
89.31.143.150	600s	—	AS202108	united-domains GmbH	89.31.142.0/23	🇩🇪 Germany	—

📧 MX Records3 records 58ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx19a.antispameurope.com	83.246.65.85 94.100.132.100	hsmx01-hz2.antispameurope.com hsmx01.antispameurope.com	AS24679 kyberio GmbH AS25394 MK Netzdienste GmbH & Co. KG
20	3600s	mx19b.antispameurope.com	83.246.65.85	hsmx01-hz2.antispameurope.com	AS24679 kyberio GmbH
30	3600s	mx19c.antispameurope.com	94.100.132.100	hsmx01.antispameurope.com	AS25394 MK Netzdienste GmbH & Co. KG

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24
🔶 Autoconfig	89.31.143.150

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 106ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 299ms

TXT Record
MS=ms90269076
v=spf1 ip4:178.15.55.234/32 ip4:195.243.250.2/32 include:spf.protection.outlook.com include:antispameurope.com include:tdchosting.dk ~all

✉️ SPF

Policy	Record (guentner.dk)
~all (soft fail)	v=spf1 ip4:178.15.55.234/32 ip4:195.243.250.2/32 include:spf.protection.outlook.com include:antispameurope.com include:tdchosting.dk ~all

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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)

🔐 DNSSEC2070ms

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	2023120812
Primary NS (MNAME)	ns.udag.de
Responsible (RNAME)	hostmaster@united-domains.de
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

82ms

A

73ms

MX

58ms

AAAA

63ms

TXT

299ms

CAA

79ms

HTTPS

58ms

TLSA

91ms

SOA

0ms

MTA-STS

93ms

DNSSEC

2070ms

SRV

106ms

Total

2586ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 12:11:17	2586ms	3 NS 1 A 3 MX	🔓 Insecure	View
2026-07-16 21:44:59	2789ms	3 NS 1 A 3 MX	🔓 Insecure	View
2026-07-03 02:27:52	892ms	3 NS 1 A 3 MX	🔓 Insecure	View
2026-06-27 13:25:36	795ms	3 NS 1 A 3 MX	🔓 Insecure	View
2026-06-27 06:58:48	2865ms	3 NS 1 A 3 MX	🔓 Insecure	View
2026-06-23 04:36:06	1288ms	3 NS 1 A 3 MX	🔓 Insecure	View
2026-06-22 03:55:19	1194ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 07:51:34	1263ms	3 NS 1 A 3 MX	🔓 Insecure	View
2026-06-20 18:06:24	1179ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 13:44:28	3250ms	3 NS 1 A 3 MX	🔓 Insecure	View
2026-06-19 23:29:54	754ms	3 NS 1 A 3 MX	🔓 Insecure	View
2026-06-17 10:14:59	4378ms	3 NS 1 A 3 MX	🔓 Insecure	View