irs-fastlane.dk DNS records

🖥️ Nameservers2 records 52ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
147.78.88.42	3600s	—	AS215992	MCS GmbH	147.78.88.0/22	🇩🇪 Germany	—

📧 MX Records2 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx-01-eu-central-1.prod.hydra.sophos.com	18.195.63.162 3.70.152.106	ec2-18-195-63-162.eu-central-1.compute.amazonaws.com ec2-3-70-152-106.eu-central-1.compute.amazonaws.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
20	3600s	mx-02-eu-central-1.prod.hydra.sophos.com	18.195.63.162 3.70.152.106	ec2-18-195-63-162.eu-central-1.compute.amazonaws.com ec2-3-70-152-106.eu-central-1.compute.amazonaws.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	5.189.163.152
🔶 Autoconfig	5.189.163.152

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 320ms

TXT Record
MS=ms44332538
sophos-domain-verification=7b21e0bc0cdaf8e7e74dbe11f7078d189299e070
v=spf1 include:spf.protection.outlook.com include:spf.eu.exclaimer.net include:spf.myconnectwise.net include:smtproute.dk include:send.heyloyalty.com ip4:195.190.18.25 ip4:178.72.19.203 include:_spf_eucentral1.prod.hydra.sophos.com -all

✉️ SPF

Policy	Record (irs-fastlane.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.eu.exclaimer.net include:spf.myconnectwise.net include:smtproute.dk include:send.heyloyalty.com ip4:195.190.18.25 ip4:178.72.19.203 include:_spf_eucentral1.prod.hydra.sophos.com -all

📨 DMARC

Policy	Record (_dmarc.irs-fastlane.dk)
p=quarantine	v=DMARC1;p=quarantine;

📬 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

🔗 TLSA / DANE

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

🔐 DNSSEC63ms

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

🏷️ SOA41ms

Field	Value
Serial	2026021301
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

52ms

A

34ms

MX

31ms

AAAA

31ms

TXT

320ms

CAA

43ms

HTTPS

29ms

TLSA

563ms

SOA

41ms

MTA-STS

50ms

DNSSEC

63ms

SRV

93ms

Total

1341ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-25 04:46:54	1341ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-23 15:03:24	829ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-17 23:58:50	684ms	2 NS 1 A 2 MX	🔒 Secure	View