realmailer.dk

Records from scan: 2026-10-08 06:20:41 · 1106ms total · last checked 2026-10-25 22:16 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

realmailer.dk is a .dk domain served by 2 nameservers (dana.ns.cloudflare.com, kyle.ns.cloudflare.com). It was registered on 24 July 2026 (WHOIS) and first appeared in the .dk zone on 25 July 2026. Its website address 104.21.83.22 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by realmailer-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 35ms

Nameserver	IP addresses	PTR	ASN / ISP
dana.ns.cloudflare.com	108.162.192.105 172.64.32.105 173.245.58.105 2606:4700:50::adf5:3a69 2803:f800:50::6ca2:c069 2a06:98c1:50::ac40:2069	dana.ns.cloudflare.com dana.ns.cloudflare.com dana.ns.cloudflare.com dana.ns.cloudflare.com dana.ns.cloudflare.com dana.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kyle.ns.cloudflare.com	108.162.195.111 162.159.44.111 172.64.35.111 2606:4700:58::a29f:2c6f 2803:f800:50::6ca2:c36f 2a06:98c1:50::ac40:236f	kyle.ns.cloudflare.com kyle.ns.cloudflare.com kyle.ns.cloudflare.com kyle.ns.cloudflare.com kyle.ns.cloudflare.com kyle.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 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.83.22	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.167.84	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	realmailer-dk.mail.protection.outlook.com	2a01:111:f403:ca21::10 2a01:111:f403:ca21::a 2a01:111:f403:ca3c::6 2a01:111:f403:ca48::a 52.101.103.140 52.101.68.8 52.101.91.156 52.101.91.159	mail-matpr05cu00100.inbound.protection.outlook.com mail-maspr04cu00102.inbound.protection.outlook.com mail-zrxpr04cu00106.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-maspr04cu00104.inbound.protection.outlook.com mail-matpr04cu00207.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 34ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::ac43:a754	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:5316	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 35ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.83.22,172.67.167.84 ech=AEX+DQBB1AAgACBhIWtxhsWhsdsRTzblb1SUpomuc4F6IkUqkGp9fFBhfwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:a754,2606:4700:3036::6815:5316

📝 TXT Records#

2 records 157ms

TXT Record
MS=ms50010211
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.realmailer.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dzryzasw@ag.eu.dmarcadvisor.com;

📬 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#

checked 2026-10-08 06:20:41

www	104.21.83.22 172.67.167.84 2606:4700:3035::ac43:a754 2606:4700:3036::6815:5316 (AS13335) (address records, no CNAME)
www vs bare domain	Same network realmailer.dk: 104.21.83.22 172.67.167.84 2606:4700:3035::ac43:a754 2606:4700:3036::6815:5316 (AS13335) www.realmailer.dk: 104.21.83.22 172.67.167.84 2606:4700:3035::ac43:a754 2606:4700:3036::6815:5316 (AS13335)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-realmailer-dk._domainkey.realmaeglernedk.a-v1.dkim.mail.microsoft	RSA · ~2048 bit
selector2	selector2-realmailer-dk._domainkey.realmaeglernedk.a-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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

115ms

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

🏷️ SOA#

45ms

Field	Value
Serial	2416854259
Primary NS (MNAME)	dana.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-08 06:37:08

Field	Value
Registrar	ASCIO TECHNOLOGIES, CORP. DANMARK - FILIAL AF ASCIO TECHNOLOGIES, CORP. CANADA
Registered	2026-07-24
Expires	2027-07-23 (270d)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

39ms

34ms

AAAA

34ms

TXT

157ms

CAA

35ms

HTTPS

35ms

TLSA

385ms

SOA

45ms

MTA-STS

62ms

DNSSEC

115ms

SRV

87ms

Total

1106ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 06:20:41 shown	1106ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-27 03:43:30	650ms	4 NS 1 A 0 MX	🔓 Insecure
2026-09-02 20:37:53	9378ms	4 NS 1 A 0 MX	🔓 Insecure
2026-07-25 08:37:52	1961ms	4 NS 1 A 0 MX	🔓 Insecure