tjek-laan.dk DNS records

🖥️ Nameservers4 records 87ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records1 records 83ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.147.73.90	600s	—	AS59701	NetNordic Denmark A/S	185.147.72.0/22	🇬🇧 United Kingdom	London

📧 MX Records1 records 81ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	tjeklaan-dk01b.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::b 2a01:111:f403:ca09:: 2a01:111:f403:ca09::c 52.101.68.12 52.101.68.16 52.101.73.15 52.101.73.16	mail-db7pr03cu00401.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as2pr05cu00100.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 → 40.104.116.56
🔶 Autoconfig	185.147.73.90

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records8 records 320ms

TXT Record
ahrefs-site-verification_f2c7106184e57b7a0aab8efbdb77e930bcc0d687c76dc5a7ada4fec47a2449bc
facebook-domain-verification=vijxbmjmyjc0dcqo1t7cve80dhd9q7
google-site-verification=6Ic9cd7oaFz6XGY6iVIosult9CjnW33BbpCB_BhDHts
google-site-verification=BJREoAAe4_cZR6vgwwDLK-5YrG0HnMtbcpQeZg4uDtU
MS=ms73690360
Sendinblue-code:ed8cb64a1a5bab049d0ad6483c613962
site-verification=c9647c70d304d5deabc9e355984adfcc
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.tjek-laan.dk)
p=none (monitor only)	v=DMARC1; p=none; sp=none; rua=mailto:dmarc@mailinblue.com!10m; ruf=mailto:dmarc@mailinblue.com!10m; rf=afrf; pct=100; ri=86400

📬 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)

🔐 DNSSEC174ms

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

🏷️ SOA83ms

Field	Value
Serial	2024042900
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

87ms

A

83ms

MX

81ms

AAAA

83ms

TXT

320ms

CAA

76ms

HTTPS

85ms

TLSA

281ms

SOA

83ms

MTA-STS

86ms

DNSSEC

174ms

SRV

505ms

Total

3356ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-22 18:05:07	3356ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 11:56:10	1119ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 15:11:23	726ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 22:07:05	1205ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 11:51:53	1453ms	4 NS 1 A 1 MX	🔒 Secure	View