steff-byg.dk DNS records

🖥️ Nameservers2 records 52ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.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.curanet.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 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.107	3600s	vm1057.enterprisecloud.nu	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	steffbyg-dk01c.mail.protection.outlook.com	2a01:111:f403:ca04::d 2a01:111:f403:ca09::6 2a01:111:f403:ca09::b 2a01:111:f403:ca48::8 52.101.68.32 52.101.68.8 52.101.73.12 52.101.73.16	mail-db6pr03cu00105.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-as2pr05cu00100.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 → 40.104.116.40
🔶 Autoconfig	185.21.40.107

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 74ms

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

📝 TXT Records1 records 216ms

TXT Record
v=spf1 ip4:62.199.208.28 ip4:185.66.2.69 ip4:185.154.241.133 include:spf.mentor-it.dk include:spf.truelink.dk include:spf.protection.outlook.com

✉️ SPF

Policy	Record (steff-byg.dk)
no all — incomplete SPF	v=spf1 ip4:62.199.208.28 ip4:185.66.2.69 ip4:185.154.241.133 include:spf.mentor-it.dk include:spf.truelink.dk include:spf.protection.outlook.com

📨 DMARC

Policy	Record (_dmarc.steff-byg.dk)
no policy tag	v=DMARC1

📬 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)

🔐 DNSSEC168ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081720
Primary NS (MNAME)	ns1.curanet.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

52ms

A

40ms

MX

41ms

AAAA

58ms

TXT

216ms

CAA

57ms

HTTPS

39ms

TLSA

183ms

SOA

0ms

MTA-STS

70ms

DNSSEC

168ms

SRV

74ms

Total

979ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 19:47:36	979ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 16:53:08	7064ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 22:28:57	1646ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-14 20:26:13	6333ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-09 19:17:48	10204ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-07 06:35:46	1594ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-26 19:38:42	3687ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-20 23:34:10	1259ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-19 23:08:37	1111ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 10:29:50	8949ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-17 02:37:11	10430ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 15:09:56	1087ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-01 04:59:47	1230ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 16:14:18	3746ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 00:40:22	1079ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 00:59:07	943ms	2 NS 1 A 1 MX	🔒 Secure	View