sarcalc.dk

📜 Historical scan 2026-08-13 10:48:11 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sarcalc.dk is a .dk domain served by 2 nameservers (adaline.ns.cloudflare.com, vern.ns.cloudflare.com). It was registered on 14 June 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.80.200 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by .. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 42ms

Nameserver	IP addresses	PTR	ASN / ISP
adaline.ns.cloudflare.com	108.162.194.49 162.159.38.49 172.64.34.49 2606:4700:50::a29f:2631 2803:f800:50::6ca2:c231 2a06:98c1:50::ac40:2231	adaline.ns.cloudflare.com adaline.ns.cloudflare.com adaline.ns.cloudflare.com adaline.ns.cloudflare.com adaline.ns.cloudflare.com adaline.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
vern.ns.cloudflare.com	108.162.193.243 172.64.33.243 173.245.59.243 2606:4700:58::adf5:3bf3 2803:f800:50::6ca2:c1f3 2a06:98c1:50::ac40:21f3	vern.ns.cloudflare.com vern.ns.cloudflare.com vern.ns.cloudflare.com vern.ns.cloudflare.com vern.ns.cloudflare.com vern.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.80.200	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.153.141	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)#

2 records 52ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:998d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:50c8	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 39ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.80.200,172.67.153.141 ech=AEX+DQBBJgAgACCo++7wC8rb3slP+Wd3MHPIEm/jZzHdgoNmVwM604wZJQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:998d,2606:4700:3037::6815:50c8

📝 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 2026-10-11 21:00:16

www	104.21.80.200 172.67.153.141 2606:4700:3031::ac43:998d 2606:4700:3037::6815:50c8 (AS13335) (address records, no CNAME)
www vs bare domain	Same network sarcalc.dk: 104.21.80.200 172.67.153.141 2606:4700:3031::ac43:998d 2606:4700:3037::6815:50c8 (AS13335) www.sarcalc.dk: 104.21.80.200 172.67.153.141 2606:4700:3031::ac43:998d 2606:4700:3037::6815:50c8 (AS13335)
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.sarcalc.dk	-wNZ_JgYh6VT0QBpylFF4ouTWxSSatUhjPE06o5kT38
TXT	_acme-challenge.sarcalc.dk	Y5_kARab0_XPc4QLGz3VNviENlBPx5vFY0_ghaVDMi0

🔗 TLSA / DANE#

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

🔐 DNSSEC#

93ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2412089854
Primary NS (MNAME)	adaline.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-10 19:43:13

Field	Value
Registrar	ONE.COM A/S
Registered	2026-06-14
Expires	2027-06-13 (234d)

📋 WHOIS#

⏱️ Lookup Timing#

42ms

50ms

43ms

AAAA

52ms

TXT

207ms

CAA

53ms

HTTPS

39ms

TLSA

58ms

SOA

0ms

MTA-STS

65ms

DNSSEC

93ms

SRV

70ms

Total

915ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 21:00:16	3842ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-10 19:33:21	630ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 08:22:48	438ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-27 05:21:13	501ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-27 04:57:18	596ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-17 15:18:07	1381ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-14 20:05:45	570ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-26 14:22:46	792ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-15 18:55:48	909ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-13 10:48:11 shown	915ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-02 21:32:12	1500ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 14:35:53	1991ms	2 NS 2 A 0 MX	🔓 Insecure