byfriis.dk

📜 Historical scan 2026-07-16 06:57:44 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

byfriis.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 17 October 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is DNSSEC-signed and validates, 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 2032ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

🌍

No A records found

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-10 11:35:57

www	46.30.211.38 (AS51468) (address records, no CNAME)
www vs bare domain	Only www resolves byfriis.dk: no address www.byfriis.dk: 46.30.211.38 (AS51468) (all like this)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1.domainkey.u24545030.wl031.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u24545030.wl031.sendgrid.net	RSA · ~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.

🔗 TLSA / DANE#

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

🔐 DNSSEC#

9067ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

2026ms

Field	Value
Serial	2026071401
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-10 12:02:34

Field	Value
Registrar	ONE.COM A/S
Registered	2011-10-17
Expires	2026-10-31 (7d)

📋 WHOIS#

⏱️ Lookup Timing#

2032ms

4030ms

4017ms

AAAA

4028ms

TXT

2149ms

CAA

4026ms

HTTPS

2033ms

TLSA

29ms

SOA

2026ms

MTA-STS

4036ms

DNSSEC

9067ms

SRV

4030ms

Total

13549ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 11:35:56	2500ms	2 NS 0 A 7 MX	🔒 Secure
2026-09-11 06:20:29	995ms	2 NS 0 A 7 MX	🔒 Secure
2026-08-10 20:50:00	3339ms	2 NS 0 A 7 MX	🔒 Secure
2026-07-16 06:57:44 shown	13549ms	2 NS 0 A 0 MX	🔒 Secure
2026-07-15 05:55:15	8990ms	2 NS 0 A 7 MX	🔒 Secure
2026-07-11 12:44:56	2892ms	2 NS 0 A 7 MX	🔒 Secure
2026-06-25 13:28:11	1892ms	2 NS 0 A 7 MX	🔒 Secure
2026-06-23 19:54:26	1180ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 18:10:52	583ms	2 NS 0 A 7 MX	🔒 Secure