kulsyre.dk

Records from scan: 2026-10-12 16:44:55 · 943ms total · last checked 2026-10-24 09:36 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kulsyre.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 11 September 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 81.27.111.43 is hosted by UpCloud Ltd (AS202053) in Finland. Mail is handled by kulsyre-dk.mail.protection.outlook.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 25ms

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 26ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
81.27.111.43	3600s	81-27-111-43.dk-cph1.upcloud.host	AS202053	UpCloud Ltd	81.27.96.0/20	🇫🇮 Finland	—

📧 MX Records#

1 records 22ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	kulsyre-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:c967::a 2a01:111:f403:ca21::a 2a01:111:f403:ca3c::6 52.101.103.143 52.101.181.156 52.101.73.126 52.101.91.21	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-cpjpr05cu00102.inbound.protection.outlook.com mail-maspr04cu00102.inbound.protection.outlook.com mail-zrxpr04cu00106.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-wa4pr05cu00104.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-matpr05cu00105.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 108ms

TXT Record
MS=ms71191539
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (kulsyre.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#

checked 2026-10-12 16:44:55

www	81.27.111.43 (AS202053) (address records, no CNAME)
www vs bare domain	Same network kulsyre.dk: 81.27.111.43 (AS202053) www.kulsyre.dk: 81.27.111.43 (AS202053)
Wildcard	No
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

🔎 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#

64ms

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

🏷️ SOA#

28ms

Field	Value
Serial	2026101200
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 2026-10-12 17:07:51

Field	Value
Registrar	Simply.com A/S
Registered	2014-09-11
Expires	2027-09-30 (340d)

🔗 Same registrant#

7 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
depot-københavn.dk	Simply.com A/S
depotdanmark.dk	Simply.com A/S
es-leasing.dk	Simply.com A/S
fadoelsudstyr.dk	Simply.com A/S
fadøl.dk	Simply.com A/S
kulsyreflaske.dk	Simply.com A/S
skaftetlf.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

25ms

26ms

22ms

AAAA

17ms

TXT

108ms

CAA

33ms

HTTPS

29ms

TLSA

631ms

SOA

28ms

MTA-STS

41ms

DNSSEC

64ms

SRV

41ms

Total

943ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 16:44:55 shown	943ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-30 23:28:44	1213ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-30 22:46:08	4168ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-27 22:01:47	1011ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-28 05:34:06	1526ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-11 19:18:39	1216ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-04 22:36:13	3393ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-22 11:50:37	996ms	4 NS 1 A 1 MX	⚠️ Bogus
2026-06-17 14:18:24	2163ms	4 NS 1 A 1 MX	🔒 Secure