g-obs.dk DNS records

🖥️ Nameservers4 records 233ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records1 records 184ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.100	600s	dnsforward.simply.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 201ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	gobs-dk0c.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::7 2a01:111:f403:ca09::4 2a01:111:f403:ca09::6 52.101.68.12 52.101.68.16 52.101.73.1 52.101.73.22	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am7pr05cu00106.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 353ms

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

📝 TXT Records2 records 322ms

TXT Record
MS=ms83154581
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

🔐 DNSSEC306ms

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

🏷️ SOA219ms

Field	Value
Serial	2020072990
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

233ms

A

184ms

MX

201ms

AAAA

179ms

TXT

322ms

CAA

364ms

HTTPS

218ms

TLSA

820ms

SOA

219ms

MTA-STS

236ms

DNSSEC

306ms

SRV

353ms

Total

2014ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-27 11:06:24	2014ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 22:51:24	928ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 02:21:08	1100ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-23 04:32:26	1076ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-23 03:30:30	1084ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 02:34:30	773ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 00:45:09	1029ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 09:53:09	812ms	4 NS 1 A 1 MX	🔒 Secure	View