herlufsholm.dk DNS records

🖥️ Nameservers3 records 47ms

Nameserver	IP addresses	PTR	ASN / ISP
mimer.deic.dk	2001:87f:ff27:65::66 95.128.27.66	mimer.deic.dk mimer.deic.dk	AS198455 Danmarks Tekniske Universitet AS198455 Danmarks Tekniske Universitet
ns-soa.darenet.dk	130.226.179.50 2001:878:0:e000:82:e2:b3:32	ns-soa.darenet.dk ns-soa.darenet.dk	AS1835 IDDQD-AS AS1835 IDDQD-AS
orion.i2.dk	78.153.182.90	orion.i2.dk	AS31027 GlobalConnect A/S

🌍 A Records1 records 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
212.98.104.19	86400s	—	AS42525	GlobalConnect A/S	212.98.64.0/18	🇩🇰 Denmark	—

📧 MX Records1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	86400s	herlufsholm-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::7 2a01:111:f403:ca04::8 2a01:111:f403:ca04::e 52.101.103.143 52.101.68.39 52.101.73.22 52.101.73.4	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-am0pr83cu00404.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records6 records 192ms

TXT Record
inst=Herlufsholm Kostskole
MS=C45CC33A0BEBC06535B594A98845D0E66EA98F89
MS=ms82020657
msfpkey=7bcz9f4hjlrzgdtqc0m9b1n3k
SOA=1787563530
v=spf1 ip4:212.98.104.16/28 ip4:185.158.60.51 include:spf.protection.outlook.com include:dedicated.mysmtp.com -all

✉️ SPF

Policy	Record (herlufsholm.dk)
-all (hard fail)	v=spf1 ip4:212.98.104.16/28 ip4:185.158.60.51 include:spf.protection.outlook.com include:dedicated.mysmtp.com -all

📨 DMARC

Policy	Record (_dmarc.herlufsholm.dk)
p=quarantine	v=DMARC1; p=quarantine; sp=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)

🔐 DNSSEC88ms

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

🏷️ SOA0ms

Field	Value
Serial	1788362821
Primary NS (MNAME)	mimer.deic.dk
Responsible (RNAME)	dns@support.i2.dk
Refresh	16384s
Retry	2048s
Expire	2097152s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

47ms

A

50ms

MX

43ms

AAAA

34ms

TXT

192ms

CAA

53ms

HTTPS

56ms

TLSA

606ms

SOA

0ms

MTA-STS

63ms

DNSSEC

88ms

SRV

77ms

Total

1229ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-02 22:15:00	1229ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-31 22:50:49	2821ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-30 20:48:12	2909ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-29 12:55:34	2275ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-28 06:48:00	1265ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 16:00:44	1806ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 15:06:56	1786ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-24 18:14:47	2078ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-23 15:20:04	6348ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-22 13:48:04	8805ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-21 13:19:10	8048ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-20 13:01:48	9669ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-19 04:34:04	6412ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-18 04:03:24	3549ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-16 17:01:43	4963ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 12:54:43	1424ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-14 06:35:18	1572ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-11 15:01:45	6209ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-07 12:06:57	1290ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-02 13:18:02	1336ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-31 21:49:01	1278ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-29 05:30:15	3827ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-27 12:40:52	17043ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-26 12:33:00	9058ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-25 12:21:49	10621ms	3 NS 1 A 1 MX	🔒 Secure	View