frederikssunderhverv.dk DNS records

🖥️ Nameservers2 records 55ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.123hotel.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.123hotel.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.41.123	3600s	prolinux6.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	frederikssunderhverv-dk.mail.protection.outlook.com	2a01:111:f403:ca04::e 2a01:111:f403:ca09::24 2a01:111:f403:ca09::28 2a01:111:f403:ca09::6 52.101.68.15 52.101.68.3 52.101.73.12 52.101.73.123	mail-db8pr02cu00106.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am6pr02cu00203.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	185.21.41.123

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 66ms

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

📝 TXT Records2 records 188ms

TXT Record
lime-domain-verification=8E2BDA5E0BACD9E
v=spf1 include:_spf.frederikssunderhverv_dk._d.easydmarc.pro -all

✉️ SPF

Policy	Record (frederikssunderhverv.dk)
-all (hard fail)	v=spf1 include:_spf.frederikssunderhverv_dk._d.easydmarc.pro -all

📨 DMARC

Policy	Record (_dmarc.frederikssunderhverv.dk)
p=reject	v=DMARC1;p=reject;pct=100;rua=mailto:1c1a63ee14@rua.easydmarc.eu;ruf=mailto:1c1a63ee14@ruf.easydmarc.eu;ri=86400;fo=1;

📬 MTA-STS275ms

Check	Result
Status	🧪 Testing
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	testing
Policy ID	20260605T111640
max_age	31449600s
Policy MX	frederikssunderhverv-dk.mail.protection.outlook.com

📈 TLSRPT

Status	Report address (rua)
✓ Enabled	mailto:1c1a63ee14@tls.easydmarc.eu

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔗 TLSA / DANE

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

🔐 DNSSEC113ms

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

🏷️ SOA0ms

Field	Value
Serial	2026051906
Primary NS (MNAME)	ns1.123hotel.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

55ms

A

44ms

MX

47ms

AAAA

47ms

TXT

188ms

CAA

49ms

HTTPS

48ms

TLSA

317ms

SOA

0ms

MTA-STS

275ms

DNSSEC

113ms

SRV

66ms

Total

1126ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 16:08:25	1126ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 12:06:41	919ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 04:12:21	3636ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 03:24:56	1178ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 09:39:53	1037ms	2 NS 1 A 1 MX	🔒 Secure	View