fremtidensbiblioteker.dk DNS records

🖥️ Nameservers4 records 40ms

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 63ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.58.213.125	3600s	—	AS201595	mono solutions ApS	185.58.212.0/23	🇩🇰 Denmark	—

📧 MX Records1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	532s	fremtidensbiblioteker-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca09::9 2a01:111:f403:ca09::a 2a01:111:f403:ca09::b 52.101.68.15 52.101.68.21 52.101.68.3 52.101.68.36	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-db5pr02cu00104.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 → 40.104.116.24
🔶 Autoconfig	185.58.213.125

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 175ms

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

✉️ SPF

Policy	Record (fremtidensbiblioteker.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

🔗 TLSA / DANE

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

🔐 DNSSEC105ms

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

🏷️ SOA0ms

Field	Value
Serial	2020111600
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

40ms

A

63ms

MX

45ms

AAAA

58ms

TXT

175ms

CAA

31ms

HTTPS

67ms

TLSA

627ms

SOA

0ms

MTA-STS

65ms

DNSSEC

105ms

SRV

424ms

Total

1534ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 11:15:09	1534ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 10:55:39	923ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 12:36:32	3963ms	4 NS 1 A 1 MX	⚠️ Bogus	View
2026-06-22 17:16:16	1179ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 09:04:27	1088ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 10:30:46	705ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 10:28:27	1057ms	4 NS 1 A 1 MX	🔒 Secure	View