gruppetavler.dk DNS records

🖥️ Nameservers2 records 74ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 59ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
49.12.124.182	3600s	server2.designrus.dk	AS24940	Hetzner Online GmbH	49.12.0.0/15	🇩🇪 Germany	Falkenstein

📧 MX Records1 records 68ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	gruppetavler-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::a 2a01:111:f403:ca09::3 2a01:111:f403:ca09::6 52.101.68.0 52.101.68.5 52.101.68.8 52.101.73.153	mail-dbapr03cu00100.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56
🔶 Autoconfig	49.12.124.182

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 144ms

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

📝 TXT Records2 records 350ms

TXT Record
MS=ms26214487
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (gruppetavler.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.gruppetavler.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@itfe.dk; ruf=mailto:dmarc@itfe.dk; fo=0; adkim=r; aspf=r; pct=100; rf=afrf; ri=86400; sp=none

📬 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)

🔐 DNSSEC159ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081101
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

74ms

A

59ms

MX

68ms

AAAA

60ms

TXT

350ms

CAA

64ms

HTTPS

62ms

TLSA

1126ms

SOA

0ms

MTA-STS

125ms

DNSSEC

159ms

SRV

144ms

Total

2316ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-12 16:37:35	2316ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-28 00:22:30	5336ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 02:30:40	3725ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-13 16:39:21	1598ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 01:19:12	10186ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 11:59:16	824ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 12:10:47	842ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 16:54:05	980ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 04:20:19	2140ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 04:06:26	1180ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 12:53:46	841ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 10:46:11	2163ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 10:45:52	1190ms	2 NS 1 A 1 MX	🔒 Secure	View