ncert.dk

📜 Historical scan 2026-07-08 18:53:08 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ncert.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 14 September 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, publishes a 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 61ms

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#

5 records 65ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	21600s	aspmx.l.google.com	142.251.9.27 2a00:1450:4025:c01::1a	rc-in-f27.1e100.net rd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	21600s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4000:1025::1b	lcdels-in-f27.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	21600s	alt2.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	21600s	alt3.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	21600s	alt4.aspmx.l.google.com	192.178.230.27 2404:6800:400b:c01b::1b	yunrtab-in-f27.1e100.net yunrtab-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 222ms

TXT Record
google-site-verification=A3gW3iN_WNlXAv0JcxAKTfXtv3titFF8K5nU76ks6cQ
v=spf1 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (ncert.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC#

Policy	Record (_dmarc.ncert.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100;

📬 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 13:55:02

www	46.30.211.38 (AS51468) (address records, no CNAME)
www vs bare domain	Only www resolves ncert.dk: no address www.ncert.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

🔎 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#

172ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026070801
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 2026-10-07 21:57:57

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2014-09-14
Expires	2027-09-30 (338d)

📋 WHOIS#

⏱️ Lookup Timing#

61ms

73ms

65ms

AAAA

70ms

TXT

222ms

CAA

62ms

HTTPS

82ms

TLSA

8067ms

SOA

0ms

MTA-STS

47ms

DNSSEC

172ms

SRV

16044ms

Total

25024ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 13:55:02	452ms	2 NS 0 A 5 MX	🔒 Secure
2026-10-07 21:20:40	1190ms	2 NS 0 A 5 MX	🔒 Secure
2026-09-30 19:41:40	395ms	2 NS 0 A 5 MX	🔒 Secure
2026-09-07 14:11:46	628ms	2 NS 0 A 5 MX	🔒 Secure
2026-08-27 22:47:48	814ms	2 NS 0 A 5 MX	🔒 Secure
2026-08-09 20:33:39	4396ms	2 NS 0 A 0 MX	🔒 Secure
2026-07-08 18:53:08 shown	25024ms	2 NS 0 A 5 MX	🔒 Secure
2026-07-02 23:41:15	2447ms	2 NS 0 A 5 MX	🔒 Secure
2026-06-27 07:06:53	1185ms	2 NS 0 A 5 MX	🔒 Secure
2026-06-26 21:19:56	696ms	2 NS 0 A 5 MX	🔒 Secure
2026-06-25 18:42:12	949ms	2 NS 0 A 5 MX	🔒 Secure
2026-06-18 01:29:08	843ms	2 NS 0 A 5 MX	🔒 Secure