ro-udvikling.dk

📜 Historical scan 2026-09-20 10:10:29 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ro-udvikling.dk is a .dk domain served by 2 nameservers (amir.ns.cloudflare.com, emely.ns.cloudflare.com). It was registered on 22 July 2026 (WHOIS) and first appeared in the .dk zone on 23 July 2026. Its website address 104.21.16.43 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by roudvikling-dk0e.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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 138ms

Nameserver	IP addresses	PTR	ASN / ISP
amir.ns.cloudflare.com	108.162.193.62 172.64.33.62 173.245.59.62 2606:4700:58::adf5:3b3e 2803:f800:50::6ca2:c13e 2a06:98c1:50::ac40:213e	amir.ns.cloudflare.com amir.ns.cloudflare.com amir.ns.cloudflare.com amir.ns.cloudflare.com amir.ns.cloudflare.com amir.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
emely.ns.cloudflare.com	108.162.194.209 162.159.38.209 172.64.34.209 2606:4700:50::a29f:26d1 2803:f800:50::6ca2:c2d1 2a06:98c1:50::ac40:22d1	emely.ns.cloudflare.com emely.ns.cloudflare.com emely.ns.cloudflare.com emely.ns.cloudflare.com emely.ns.cloudflare.com emely.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 122ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.16.43	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.166.26	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 160ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	roudvikling-dk0e.mail.protection.outlook.com	2a01:111:f403:c967:: 2a01:111:f403:c967::2 2a01:111:f403:c967::4 2a01:111:f403:c967::6 52.101.209.2 52.101.209.4 52.101.209.6 52.101.209.74	mail-cpcp307cu00400.inbound.protection.outlook.com mail-cpap307cu00402.inbound.protection.outlook.com mail-cpap307cu00204.inbound.protection.outlook.com mail-cpcp307cu00206.inbound.protection.outlook.com mail-cpap307cu00402.inbound.protection.outlook.com mail-cpap307cu00204.inbound.protection.outlook.com mail-cpcp307cu00206.inbound.protection.outlook.com mail-cpcp307cu00402.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 → 52.98.213.248

🔷 AAAA Records (IPv6)#

2 records 194ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:102b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:a61a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 141ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.16.43,172.67.166.26 ech=AEX+DQBB3wAgACAWWv2465/ppKSEVxwh/2j0fwBF8UaYJrWad7wd9oO5DAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:102b,2606:4700:3035::ac43:a61a

📝 TXT Records#

2 records 496ms

TXT Record
MS=ms82145773
v=spf1 a mx include:spf.protection.outlook.com include:spf.postal.ro-udvikling.dk -all

✉️ SPF#

Policy	Record (ro-udvikling.dk)
-all (hard fail)	v=spf1 a mx include:spf.protection.outlook.com include:spf.postal.ro-udvikling.dk -all

📨 DMARC#

Policy	Record (_dmarc.ro-udvikling.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:8a2a015f076f4fa8a013bce332f0017b@dmarc-reports.cloudflare.net

📬 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 2026-10-16 03:39:46

www	104.21.16.43 172.67.166.26 2606:4700:3035::6815:102b 2606:4700:3035::ac43:a61a (AS13335) (address records, no CNAME)
www vs bare domain	Same network ro-udvikling.dk: 104.21.16.43 172.67.166.26 2606:4700:3035::6815:102b 2606:4700:3035::ac43:a61a (AS13335) www.ro-udvikling.dk: 104.21.16.43 172.67.166.26 2606:4700:3035::6815:102b 2606:4700:3035::ac43:a61a (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-roudvikling-dk0e._domainkey.roudvikling.y-v1.dkim.mail.microsoft	RSA · ~2048 bit
selector2	selector2-roudvikling-dk0e._domainkey.roudvikling.y-v1.dkim.mail.microsoft	RSA · ~2048 bit

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: 4/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.ro-udvikling.dk	PZ6Y7BOHa4nAyZrwMP2FPZxJl_BUgssqHdG5DkeH_d8
TXT	_acme-challenge.ro-udvikling.dk	n_OE3SCmJsUkrkd8MSLenTccvKFvdfqkvf-O9b3yY0Q

🔗 TLSA / DANE#

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

🔐 DNSSEC#

185ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2415313231
Primary NS (MNAME)	amir.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-03 10:24:45

Field	Value
Registrar	dns.services ApS
Registered	2026-07-22
Expires	2027-07-21 (271d)

📋 WHOIS#

⏱️ Lookup Timing#

138ms

122ms

160ms

AAAA

194ms

TXT

496ms

CAA

190ms

HTTPS

141ms

TLSA

595ms

SOA

0ms

MTA-STS

96ms

DNSSEC

185ms

SRV

1122ms

Total

2578ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 03:39:46	2918ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-03 10:20:00	1102ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-02 10:19:39	1117ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-30 13:56:55	879ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-28 04:06:22	875ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-22 03:57:58	1043ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-20 10:10:29 shown	2578ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-13 08:12:28	2745ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-12 08:51:43	1899ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-16 16:24:33	5949ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-12 23:08:44	1814ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-11 13:44:25	1974ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-06 19:41:43	9297ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-24 09:21:48	2432ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-23 08:47:15	2205ms	2 NS 0 A 0 MX	🔒 Secure