realintel.dk

📜 Historical scan 2026-08-22 11:01:46 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

realintel.dk is a .dk domain served by 2 nameservers (todd.ns.cloudflare.com, vita.ns.cloudflare.com). It was registered on 15 September 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.58.25 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, publishes a 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 61ms

Nameserver	IP addresses	PTR	ASN / ISP
todd.ns.cloudflare.com	108.162.193.146 172.64.33.146 173.245.59.146 2606:4700:58::adf5:3b92 2803:f800:50::6ca2:c192 2a06:98c1:50::ac40:2192	todd.ns.cloudflare.com todd.ns.cloudflare.com todd.ns.cloudflare.com todd.ns.cloudflare.com todd.ns.cloudflare.com todd.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
vita.ns.cloudflare.com	108.162.192.238 172.64.32.238 173.245.58.238 2606:4700:50::adf5:3aee 2803:f800:50::6ca2:c0ee 2a06:98c1:50::ac40:20ee	vita.ns.cloudflare.com vita.ns.cloudflare.com vita.ns.cloudflare.com vita.ns.cloudflare.com vita.ns.cloudflare.com vita.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 65ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.58.25	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.155.7	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 94ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	172.253.148.27 2a00:1450:4025:4401::1a	yuskedq-in-f27.1e100.net yuskedq-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	172.253.152.27 2a00:1450:4010:c22::1b	yulpptr-in-f27.1e100.net yulpptr-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	192.178.211.27 2404:6800:4000:1025::1a	lcbomp-in-f27.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.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

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.58.25
🔶 Autoconfig	104.21.58.25

🔷 AAAA Records (IPv6)#

2 records 75ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:9b07	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:3a19	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 66ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.58.25,172.67.155.7 ech=AEX+DQBBjQAgACDunHzvbqY6pYg4J+OF6j7wiYM92U9s8J+RIBEC8ZqyQgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:9b07,2606:4700:3034::6815:3a19

📝 TXT Records#

2 records 264ms

TXT Record
google-site-verification=UP3cbJyxX6gnJZZ0Q1er_FoJOgcUPt6C-1ujQnXeq30
v=spf1 include:_spf.google.com -all

✉️ SPF#

Policy	Record (realintel.dk)
-all (hard fail)	v=spf1 include:_spf.google.com -all

📨 DMARC#

Policy	Record (_dmarc.realintel.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;

📬 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 2026-10-23 16:12:01

www	104.21.58.25 172.67.155.7 2606:4700:3031::ac43:9b07 2606:4700:3034::6815:3a19 (AS13335) (address records, no CNAME)
www vs bare domain	Same network realintel.dk: 104.21.58.25 172.67.155.7 2606:4700:3031::ac43:9b07 2606:4700:3034::6815:3a19 (AS13335) www.realintel.dk: 104.21.58.25 172.67.155.7 2606:4700:3031::ac43:9b07 2606:4700:3034::6815:3a19 (AS13335)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

7 found

Selector	CNAME	Key
default	—	Revoked (empty key)
dkim	—	Revoked (empty key)
google	—	Revoked (empty key)
k1	—	Revoked (empty key)
mail	—	Revoked (empty key)
s1	—	Revoked (empty key)
s2	—	Revoked (empty key)

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.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.realintel.dk	4-IX0gD_F3BkIXlmnqXyAbQXrdzliWZpeBWzwuyh_zU
TXT	_acme-challenge.realintel.dk	O8Xk82iPXFXFR4a4ArX4eAElP2TE4F6YsgEdh38J_Co

🔗 TLSA / DANE#

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

🔐 DNSSEC#

176ms

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	2412843759
Primary NS (MNAME)	todd.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-09 18:51:33

Field	Value
Registrar	DANDOMAIN A/S
Registered	2024-09-15
Expires	2027-09-14 (325d)

📋 WHOIS#

⏱️ Lookup Timing#

61ms

65ms

94ms

AAAA

75ms

TXT

264ms

CAA

62ms

HTTPS

66ms

TLSA

177ms

SOA

0ms

MTA-STS

104ms

DNSSEC

176ms

SRV

130ms

Total

2242ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-23 16:12:01	760ms	2 NS 2 A 5 MX	🔓 Insecure
2026-10-03 16:12:13	1180ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-30 15:52:55	679ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-28 03:29:51	1533ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-26 02:40:30	1557ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-17 17:39:19	1518ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-11 19:13:27	1582ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-04 13:26:46	723ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-29 10:28:34	5542ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-28 02:37:05	1188ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-22 11:01:46 shown	2242ms	2 NS 2 A 5 MX	🔓 Insecure
2026-07-08 18:55:50	9767ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-26 01:13:59	866ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-22 15:38:54	1189ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 06:57:19	3540ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-21 03:57:55	1151ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 22:56:38	3177ms	2 NS 2 A 5 MX	🔓 Insecure