rkgulvteknik.dk

Records from scan: 2026-09-27 03:14:03 · 1091ms total · last checked 2026-10-22 19:45 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rkgulvteknik.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 162.159.134.42 is hosted by Cloudflare, Inc. (AS13335) in United States. Mail is handled by rkgulvteknik-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#

2 records 45ms

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 Records#

1 records 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
162.159.134.42	3600s	—	AS13335	Cloudflare, Inc.	162.159.128.0/19	🇺🇸 United States	—

📧 MX Records#

1 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	rkgulvteknik-dk.mail.protection.outlook.com	2a01:111:f403:c967::a 2a01:111:f403:ca04::a 2a01:111:f403:ca04::d 2a01:111:f403:ca48::12 52.101.103.36 52.101.209.153 52.101.68.25 52.101.91.162	mail-cpjpr05cu00102.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-miypr05cu00202.inbound.protection.outlook.com mail-miypr05cu00104.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-matpr04cu00302.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 → 40.104.116.56
🔶 Autoconfig	130.211.95.47

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 146ms

TXT Record
MS=ms21307043
v=spf1 include:spf.protection.outlook.com include:relay.kinstamailservice.com include:relay.mailchannels.net ip4:130.211.95.47 -all

✉️ SPF#

Policy	Record (rkgulvteknik.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:relay.kinstamailservice.com include:relay.mailchannels.net ip4:130.211.95.47 -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 2026-10-08 08:50:04

www	162.159.134.42 (AS13335) (address records, no CNAME)
www vs bare domain	Same network rkgulvteknik.dk: 162.159.134.42 (AS13335) www.rkgulvteknik.dk: 162.159.134.42 (AS13335)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1.domainkey.u6878832.wl083.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u6878832.wl083.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: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

76ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2021111801
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 yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

45ms

37ms

44ms

AAAA

32ms

TXT

146ms

CAA

35ms

HTTPS

39ms

TLSA

599ms

SOA

0ms

MTA-STS

52ms

DNSSEC

76ms

SRV

48ms

Total

1091ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-27 03:14:03 shown	1091ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-21 11:38:15	776ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 08:33:17	2998ms	2 NS 1 A 1 MX	🔒 Secure