riemann.dk

📜 Historical scan 2026-06-21 07:51:04 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

riemann.dk is a .dk domain served by 2 nameservers (a.portsdns.se, b.portsdns.net). It was registered on 28 February 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.14.90.203 is hosted by Tele2 SWIPnet (AS1257) in Sweden. Mail is handled by riemann-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 55ms

Nameserver	IP addresses	PTR	ASN / ISP
a.portsdns.se	2607:f740:e009::1 45.54.35.101	a.portsdns.se a.portsdns.se	AS63911 NetActuate, Inc AS63911 NetActuate, Inc
b.portsdns.net	2a00:11c0:3d::1 94.16.23.1	b.portsdns.net b.portsdns.net	AS42354 Anexia Cloud Solutions GmbH AS42354 Anexia Cloud Solutions GmbH

🌍 A Records#

1 records 64ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.14.90.203	28800s	redirect.portsit.se	AS1257	Tele2 SWIPnet	193.12.0.0/14	🇸🇪 Sweden	Malmö

📧 MX Records#

1 records 55ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	riemann-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::8 2a01:111:f403:ca04::b 2a01:111:f403:ca09::2 52.101.68.18 52.101.68.27 52.101.68.36 52.101.73.6	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am6pr04cu00306.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 → 52.98.252.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 128ms

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

📝 TXT Records#

2 records 200ms

TXT Record
MS=ms99538983
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (riemann.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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 11:02:41

www	193.14.90.203 (AS1257) (address records, no CNAME)
www vs bare domain	Same network riemann.dk: 193.14.90.203 (AS1257) www.riemann.dk: 193.14.90.203 (AS1257)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

94ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

52ms

Field	Value
Serial	2024083000
Primary NS (MNAME)	a.portsdns.se
Responsible (RNAME)	registry@ports.net
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	28800s

📋 Registration#

WHOIS fetched 2026-10-15 08:55:52

Field	Value
Registrar	Abion AB
Registered	1997-02-28
Expires	2027-03-31 (162d)

🔗 Same registrant#

3 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
riemannfonden.dk	Abion AB
sebastianriemann.dk	Abion AB
vetinas.dk	Abion AB

📋 WHOIS#

⏱️ Lookup Timing#

55ms

64ms

55ms

AAAA

41ms

TXT

200ms

CAA

68ms

HTTPS

95ms

TLSA

322ms

SOA

52ms

MTA-STS

79ms

DNSSEC

94ms

SRV

128ms

Total

843ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 11:02:41	1094ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-27 04:21:17	10125ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-10 15:43:28	1029ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-21 07:51:04 shown	843ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 13:12:11	3490ms	2 NS 1 A 1 MX	🔓 Insecure