blankopolering.dk

📜 Historical scan 2026-08-19 11:34:31 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

blankopolering.dk is a .dk domain served by 2 nameservers (nicole.ns.cloudflare.com, rocky.ns.cloudflare.com). It was registered on 11 April 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.81.207 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by blankopolering-dk.mail.protection.outlook.com. 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 69ms

Nameserver	IP addresses	PTR	ASN / ISP
nicole.ns.cloudflare.com	108.162.192.211 172.64.32.211 173.245.58.211 2606:4700:50::adf5:3ad3 2803:f800:50::6ca2:c0d3 2a06:98c1:50::ac40:20d3	nicole.ns.cloudflare.com nicole.ns.cloudflare.com nicole.ns.cloudflare.com nicole.ns.cloudflare.com nicole.ns.cloudflare.com nicole.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rocky.ns.cloudflare.com	108.162.193.227 172.64.33.227 173.245.59.227 2606:4700:58::adf5:3be3 2803:f800:50::6ca2:c1e3 2a06:98c1:50::ac40:21e3	rocky.ns.cloudflare.com rocky.ns.cloudflare.com rocky.ns.cloudflare.com rocky.ns.cloudflare.com rocky.ns.cloudflare.com rocky.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 61ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.81.207	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.146.209	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 70ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	blankopolering-dk.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca09::1 2a01:111:f403:ca09::2 2a01:111:f403:ca09::8 52.101.68.0 52.101.68.18 52.101.73.16 52.101.73.2	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.154.136

🔷 AAAA Records (IPv6)#

2 records 60ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:51cf	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:92d1	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 52ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.81.207,172.67.146.209 ech=AEX+DQBBDAAgACDhwkjpNITAK8hxQq/wovR61Q7IT9o/W5n4dZtt3k8PSAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:51cf,2606:4700:3035::ac43:92d1

🔌 SRV Records#

1 records 102ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

3 records 262ms

TXT Record
MS=ms52748460
MS=ms58894170
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (blankopolering.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 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 2026-10-08 03:02:22

www	104.21.81.207 172.67.146.209 2606:4700:3034::6815:51cf 2606:4700:3035::ac43:92d1 (AS13335) (address records, no CNAME)
www vs bare domain	Same network blankopolering.dk: 104.21.81.207 172.67.146.209 2606:4700:3034::6815:51cf 2606:4700:3035::ac43:92d1 (AS13335) www.blankopolering.dk: 104.21.81.207 172.67.146.209 2606:4700:3034::6815:51cf 2606:4700:3035::ac43:92d1 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.blankopolering.dk	iipyQ-Y-Yq9pzFM7CHteU-Cthum31pEhz6v6rAsiZ8g
TXT	_acme-challenge.blankopolering.dk	rMxDZsxfnKRKJcTS5FqXBJHKTO9c6vsvMJs9Zb47-3c

🔗 TLSA / DANE#

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

🔐 DNSSEC#

155ms

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	2412549601
Primary NS (MNAME)	nicole.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-13 19:50:04

Field	Value
Registrar	Simply.com A/S
Registered	2022-04-11
Expires	2027-04-10 (174d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

69ms

61ms

70ms

AAAA

60ms

TXT

262ms

CAA

63ms

HTTPS

52ms

TLSA

896ms

SOA

0ms

MTA-STS

89ms

DNSSEC

155ms

SRV

102ms

Total

3145ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 03:02:22	1317ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-10 23:38:13	2275ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-26 06:01:05	1127ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-24 17:41:56	2938ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-22 13:31:29	2436ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-21 13:26:39	9550ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-19 11:34:31 shown	3145ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-27 08:15:24	1670ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-26 07:34:45	1095ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-24 17:08:21	942ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-24 06:04:20	2326ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 14:46:27	1047ms	2 NS 2 A 1 MX	🔓 Insecure