1st.dk

📜 Historical scan 2026-06-19 09:49:39 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

1st.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 16 February 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.47.247.18 is hosted by One.com A/S (AS51468). Mail is handled by .. 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 37ms

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#

1 records 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.47.247.18	3600s	one.com.webforward.g1i.one	AS51468	One.com A/S	195.47.247.0/24	—	—

📧 MX Records#

1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	. Null MX — domain accepts no email (RFC 7505)

🔷 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 2026-10-14 04:04:30

www CNAME	na-west1.surge.sh (all on surge.sh) → 138.68.112.220 (AS14061)
www vs bare domain	Same network 1st.dk: 45.55.110.124 (AS14061) www.1st.dk: 138.68.112.220 (AS14061)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

70ms

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

🏷️ SOA#

36ms

Field	Value
Serial	2026061807
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 2026-08-18 14:05:27

Field	Value
Registrar	ONE.COM A/S
Registered	2011-02-16
Expires	2027-02-28 (133d)

📋 WHOIS#

⏱️ Lookup Timing#

37ms

AAAA

66ms

TXT

182ms

CAA

36ms

HTTPS

83ms

TLSA

49ms

SOA

36ms

MTA-STS

74ms

DNSSEC

70ms

SRV

132ms

Total

505ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 04:04:29	964ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-24 07:49:25	531ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-18 18:17:26	435ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-31 13:13:30	542ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-25 01:47:26	1454ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-18 14:04:49	8649ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-25 03:59:14	548ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-03 21:08:49	16652ms	2 NS 0 A 0 MX	❓ Unknown
2026-07-02 20:56:09	2442ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 01:54:24	970ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-19 09:49:39 shown	505ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 12:43:25	804ms	2 NS 1 A 4 MX	🔒 Secure