obligo.dk

Records from scan: 2026-10-01 17:54:32 · 3234ms total · last checked 2026-10-18 15:30 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

obligo.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 13 February 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.161 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by obligo-dk.mail.protection.outlook.com, mx.simply.com. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 121ms

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 Records#

1 records 140ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.161	3600s	linux143.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

2 records 101ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	obligo-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::9 2a01:111:f403:ca21::e 2a01:111:f403:ca48::a 52.101.185.24 52.101.68.27 52.101.73.126 52.101.73.145	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-matpr04cu00306.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-zrxpr07cu00100.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am6pr02cu00301.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
10	3600s	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 214ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records#

2 records 335ms

TXT Record
MS=ms64646697
v=spf1 include:spf.protection.outlook.com include:mail.zendesk.com include:mailgun.org include:spf.mandrillapp.com -all

✉️ SPF#

Policy	Record (obligo.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:mail.zendesk.com include:mailgun.org include:spf.mandrillapp.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

🧩 Web & zone#

checked 2026-10-10 00:40:43

www	94.231.103.161 (AS48854) (address records, no CNAME)
www vs bare domain	Same network obligo.dk: 94.231.103.161 (AS48854) www.obligo.dk: 94.231.103.161 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1.domainkey.u6557644.wl145.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u6557644.wl145.sendgrid.net	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 8/10 · policy: -all

warn 8 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

3 records 1392ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	4B949F05A63FED95FC94B3A83DD70167…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC#

306ms

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

🏷️ SOA#

101ms

Field	Value
Serial	2026093000
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-01 18:30:17

Field	Value
Registrar	Simply.com A/S
Registered	2018-02-13
Expires	2027-02-28 (132d)

📋 WHOIS#

⏱️ Lookup Timing#

121ms

140ms

101ms

AAAA

147ms

TXT

335ms

CAA

103ms

HTTPS

111ms

TLSA

1392ms

SOA

101ms

MTA-STS

198ms

DNSSEC

306ms

SRV

214ms

Total

3234ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 17:54:32 shown	3234ms	4 NS 1 A 2 MX	🔒 Secure
2026-08-27 19:25:36	1668ms	4 NS 1 A 2 MX	🔒 Secure
2026-07-03 00:15:28	1412ms	4 NS 1 A 2 MX	🔒 Secure
2026-06-20 18:18:58	1380ms	4 NS 1 A 2 MX	🔒 Secure
2026-06-17 11:53:06	1402ms	4 NS 1 A 2 MX	🔒 Secure