gradecheck.dk

📜 Historical scan 2026-06-25 06:18:21 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gradecheck.dk is a .dk domain served by 2 nameservers (ns1.vercel-dns.com, ns2.vercel-dns.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 216.198.79.1 is hosted by Amazon.com, Inc. (AS16509) in United States. The zone is not DNSSEC-signed, 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 197ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.vercel-dns.com	198.51.44.13 2620:4d:4000:6259:7:13:0:1	dns1.p13.nsone.net dns1.p13.nsone.net	AS62597 NSONE Inc AS62597 NSONE Inc
ns2.vercel-dns.com	198.51.45.13 2a00:edc0:6259:7:13::2	dns2.p13.nsone.net dns2.p13.nsone.net	AS62597 NSONE Inc AS62597 NSONE Inc

🌍 A Records#

2 records 259ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
216.198.79.1	1800s	—	AS16509	Amazon.com, Inc.	216.198.79.0/24	🇺🇸 United States	—
64.29.17.65	1800s	—	AS16509	Amazon.com, Inc.	64.29.17.0/24	🇺🇸 United States	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	216.198.79.65
🔶 Autoconfig	216.198.79.65

🔷 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#

3 records 261ms

Flags	Tag	Value
0	issue	letsencrypt.org
0	issue	pki.goog
0	issue	sectigo.com

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 05:14:58

www	216.198.79.1 64.29.17.1 (AS16509) (address records, no CNAME)
www vs bare domain	Same network gradecheck.dk: 216.198.79.65 64.29.17.65 (AS16509) www.gradecheck.dk: 216.198.79.1 64.29.17.1 (AS16509)
Wildcard	Yes: any name under the zone resolves

🔗 TLSA / DANE#

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

🔐 DNSSEC#

397ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

205ms

Field	Value
Serial	1778705598
Primary NS (MNAME)	ns1.vercel-dns.com
Responsible (RNAME)	hostmaster@nsone.net
Refresh	43200s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

197ms

259ms

279ms

AAAA

152ms

TXT

617ms

CAA

261ms

HTTPS

313ms

TLSA

203ms

SOA

205ms

MTA-STS

337ms

DNSSEC

397ms

SRV

330ms

Total

2642ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 00:17:05	630ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-03 10:33:17	9654ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-25 15:19:05	2604ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-25 06:18:21 shown	2642ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-23 11:16:04	962ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 19:22:02	2436ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 09:35:15	576ms	2 NS 2 A 0 MX	🔓 Insecure